Brand Name: oem Model Number: Headset Style: In-Ear Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Function:: Bluetooth headset Packaging & Delivery Packaging Detail: OEM package Delivery Detail: 5-7day Specifications 2012 the newest microphone speaker bluetooth headsets 1. The high quality service, the good price. 2..Excellent quality, high 2012 the newest microphone speaker bluetooth headsets Model No: BH-402 FEATURES:
Brand Name: Gblue Model Number: G1 Style: Headband Communication: Wireless Connectors: 2.0 charging port Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: black, yellow, red, white Bluetooth profiles: HSP, HFP, A2DP,AVRCP Bluetooth specification: V2.1+EDR Chipset: ISSC Demensions(L*W*H): 60*60*50mm Speaker: 40mm*1 3W Weight: 230g Packaging & Delivery Packaging Detail: delicate gift packing: bluetooth headset, ear hook, charger, user manual. Pakcing details: pvc box packing. Delivery Detail: samples order: 3working day; mass order: 28 working day Specifications *Wireless Bluetooth Headphones *Elegant Fashion Design. *High Acoustic Fidelity. *Extremely Competitive Price *CE, ROHS, FCC Bluetooth Headphone Key specifications: Bluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP,AVRCPOperating distance: 10 meters Class IIRechargeable 240 mAH Li-polymer batteryTalk time: Up to 35 hour
Brand Name: pak Model Number: pak15 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: black Packaging & Delivery Packaging Detail: packing with retail box Delivery Detail: 1~3 days for big quantity order after receiving fund Specifications stereo bluetooth headset with mp3 player 1.Fast delivery headphone 2.High production with high quality 3.factory price Detailed Product Description stereo bluetooth headset with mp3 player 1.Fast delivery headphone 2.High production with high quality 3.factory price Feature 1)Original packing2)factory price3)mixed order is acceptable4)Drop shipping available5)Door to Door service,safe and fast6)shipping time:we will send the goods within 48 hours after your payment,and delivery about 3-4 days to you.
Specifications wireless/bluetooth headphone headphone,high definitio music/gaming, high comfort experience natuaral quality music Fashionable wireless/bluetooth headphone wireless/bluetooth headphone With it, creat a pure music world wherever you go!!!!!!! You cant just discount it for simply the following reasons: all the insanes of headphone tapping onto itamazing price and quality ratio you cant find elsewheretotally a masterpiece no matter the workmanship or designPopular in EU-US area,leading the latest trend of earphone field Specifications Plug3.5mmImpendance32Ohms+/-15%Sensitivity108dB +/-3dbFrequency20-20000HzCable1 music cable 1 mic cable.Speaker40mm diameterColoryellow, blue, green, Oringe, red, purple, pink Product characteristics OEM & ODM Project acceptableall the portable players compatible various colors for option black
Brand Name: YH Model Number: YH-019 Style: Headband Communication: Wireless Connectors: 2.5mm Use: Computer Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Brand Name:: high quality bluetooth headphone Material:: ABS and PVC Color and logo:: customized Use for:: computer,laptop,game headpones Impedance:: 32 OEM ODM offer:: yes Type: computer headphone&earphone Sound quality:: powerful bass sound Cord type: round wire Package:: blister package ,paper box or as customer's Packaging & Delivery Packaging Detail: blister package ,color box,paper box or as customer's Delivery Detail: 15-30days.(upon sample confirmation) Specifications high quality bluetooth headphone 1,high sound effect 2,factory price eardphone 3,OEM/ODM 4,:iso:9001:2008,rohs.fcca icti high quality bluetooth headphone specification: headphones sport: headphone&headset , computer headphone,headset,audio headset,super bass headphone,fashion headphones packag
Specifications 2013 new type wireless bluetooth headset have faddish and cool colors memory pairing + echo cancellation stereo high quality 2013 new type wireless bluetooth headset /faddish and cool iphone headsetProduct features:1) bluetooth headset, head type wireless bluetooth headset, high quality, stereo.2 memory pairing /echo cancellation, music/speech automatic switching. Can be pairing and connection to all have bluetooth phone 3) clear dialogue, anytime, anywhere, enjoy your wireless free! Super easy super convenient feeling! Super quality ultra smooth enjoy!
Specifications Audio Wireless Stereo Bluetooth Headphone 1.Hot sale item 2.100% compatible 3.OEM/ODM welcome High quality Audio Wireless Stereo Bluetooth Headphone Features: 1.Bluetooth stereo headset lets you listen to music or phone calls wirelessly2.High-quality speakers deliver crisp,rich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening5.Compatible with bluetooth enable devices,such as iphone,ipad,most computers,cellphone6.Frequency response:20-20,000 Hz7.Speaker impedance:32 ohm8.Transfer Distance:33 FT/10M9.Frequancy:2.4GHz10.Technology: Bluetooth V3.0-EDR11.Play/Talk ~10 Hrs12.Omni-directional high quality microphone13.Easily charge via USB port14.Sensitivity microphone Specifications: Model NoQR-AA141Ver.Bluetooth V3.0+EDRBluetooth ProfilesHSP,HFP,A2DPK,AVRCPEffective Range10MetersMusic Time10HoursTalk Time11HoursStandby Ti
Specifications Bluetooth headphones with OLED display/ FM radio Suitable for ipod/iphone/laptop etc small wireless headphones Fully CE ROHS 2013 fashion bluetooth headphones,OLED display earphones,TFcard stereo handsets with FM radio ------------------------Product Performance ------------------------- 1Folding portable plug-in card bluetooth headphones 2V3.0+EDR Blooth version,High data rate; 3Support 16GB TF card music play; 4Wearing type elegant appearance design, fashionable avant-courier; 5OLED display,the play state be clear at a glance; 6Intelligent lyrics displayed function,will be played on the display lyrics(LFC format for file); 7The Hi-Fi stereo,let you move feeling,three-dimensional transparence service of music;8Wearing the soft plastic material design,comfortable wearing;98 kinds of sound choice,meet different music needs 10Take FM radio function,support campus radio 11The built-in recording function,can record outside of the audio source 12The b
Brand Name: Madedo Model Number: BH503 Communication: Wireless Connectors: bluetooth Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: As picture show Style: in ear Payment: WU,T/T,Paypal Shipment: DHL,UPS,FEDEX,TNT,EMS,post Delivery time: 1-3 working days Warranty: 1 year Packaging & Delivery Packaging Detail: Retail packing,OPP bag, Custom packaging Delivery Detail: 1-3 working days Specifications 1.BH503 bluetooth earphone 2.High quality & Wholesale price 3.Fast delivery 4.Paypal accepted 2013 Newest headphone For iPhone 5 EarPods Earphones With Remote and Mic SPECIFICATION Music to your earsListen to your favourite music and stay connected to your mobile device with this wireless stereo headset.Enjoy your musicHear your tunes in high-quality stereo sound and easily access your mobile device's music library without missing a call.Comfort meets sty
Specifications bluetooth headphone 1.Supports Headset & Handsfree 2.Bluetooth V3.0+EDR Class 2 3.Range: 10 meters 4.CE,Rohs bluetooth headphone Specification: Operating frequency range2.40GHz-2.48GHzBluetoothV3.0+EDR Class 2Headset & HandsfreeSupportRange of wireless connection10 metersBatteryBuilt-in chargeable 200mAH lithiumTalk time6 hoursStand-by time250 hours CertificationCE&ROHSMicrophone Yes Photo : Package:30pcs/ctncarton size:38.5*38*22cmbox size:17.2*4.0*12cmN.W.:5kg G.W.:6kg20'Container=781cartons=23430pcs
Specifications 1.Mini Bluetooth Headphone 2.Pink 3.Bluetooth V2.1 4.Talk time: 5 hours ProductMini Pink Wireless Bluetooth HeadphoneProduct Highlight1. The mini Bluetooth headphone supports Headset Profile and Handfree Profile.2. Last number redial, call rejection and adjust volume, etc.3. Through the use of Bluetooth wireless transmitter, the Bluetooth headphone makes online chat reality.4. Cell phone loss protection, call note.5. With stylish design, the mini Bluetooth headphone functions as an ornament.6. Application: The mini Bluetooth headphone, a type of wireless products, offers compatibility with all famous branded Bluetooth cell phone and is used as a handsfree. Coupled with a Bluetooth dongle, it makes online voice chat a areality.Specifications1. Bluetooth version: Bluetooth V2.1, compatible with V2.0 and V1.22. Chip: CSR BC63. Transmission distance: 10M(Class 2)4. Frequency:2.4GHz5. Stanby time: 90 hours6. Talk time: 5 hours7. Charge hour: less than 2 hours8. Power supply:
Specifications BH505 Stereo Bluetooth Headset Headphone A perfect companion for sports, skateboarding and other groovy hobbies. The Bluetooth Stereo Headset BH-505 is tailor-made for your active lifestyle, offering convenient on-the-go access to your music and calls. 2) Go for style and comfort. Wear this sleek, lightweight headset comfortably around your neck and find the perfect fit with a selection of earpieces to choose from. Experience high-quality audio. 3) Ultra fashion, compact and light-weight design. 4) Advanced technologies in Echo cancellation & Noise reduction insure the good sound quality. 5) Well design and easy to use. 6) Stream up to six hours of play or 13 days of standby. 7) Stable neckband means versatility for use conditions. 8) Seamless switching between music and calls. 9) Great sound with control. 10) The headset supports bluetooth v2.1. 11) Product type: headset. 12) Earpiece design: neckband. 13) Integrated microphone: yes. 14) Sound mode: stereo. 15) Con
Specifications 1.new design bluetooth headphone 2.for media player/mobie 3.stereo bluetooth v3.0 4.tf card mp3 player 5.sport mp3 player Type:Bluetooth V3.0, class IICertificate:BQB, CE, Rohs,FCCBluetooth profiles:A2DP1.2/AVRCP1.0/HSP/HFPFuntion:1.Vice dialing/Redialing.2. Multipoint: Support 2 phones connection.3. Support VOIP, connect with computer for online chat.5. Bulit-in MIC6. With tf card/micro sd card slot7. With fm radio8. Button: Vol-. Vol+, Pre, Next, Play/Pause, Power on/Power off, USB socketOperation Range:Up to 10 meters in working distance (open space)Frequency2.400~2.480GHzRF output Power4dBmBattery3.7V/500mA chargeable Lithium polymer batteryCharging time:Approximately 3 hoursPowerAC 100~240V DC 5V/500mah AdapterTalk Time:up to 12hoursMusic Playback Time:up to 5 hoursStandby time:up to 200 daysWork Temperature"-10°C to 50°CColor:Black+red, other colors can customizeIncluded Accessories:1 x AC Charger1 x charge cable1 x User ManualWarranty:12
Brand Name: OEM Model Number: HM7000 Style: In-Ear Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Orginal Color Package Delivery Detail: Within 24 hours after payment confirmed Specifications Wireless Bluetooth Headset HM7000 Black Earphone Headphone for Universal Samsung Mobile phone Cheap Wireless Bluetooth Headset HM3500 Black/White Earphone Headphone for Universal Samsung Mobile phone Feature: (stereo headphone )Brand new, high qualityHigh capacity Li-ion battery, 200% longer talk time than normal Bluetooth headsetBluetooth V2.1, compatible with any Bluetooth enabled mobile phones, such as iPhone, Sumsang, HTC, LG, Moto and NokiaThis Mono Bluetooth,not support music playCan connect two cellphone on the same timeColour:black SpecificationModel : HM7000Bluetooth Profile : Headset profile (HSP), Handsfree profile (HFP), A2DP, audio div
Specifications 1.2013 best colorful MP3 stereo wireless bluetooth headset headphones with FM for pc mobilephone 2.color:black,white 1.2013 best colorful MP3 stereo wireless bluetooth headset headphones with FM for pc mobilephone2.color:black,white3. working distance: 10 meters4. accessories: headphone+power cable, BL-5B battery, color box. optional accessories: usb charger, memory card, bluetooth adapter5. chipset: british CRS2.0 version chipset, support all computer and mobiephones with bluetooth function6. support TF card, push pause button 5 seconds to switch to tf card model.7. support mp3 music format8. support FM radio (76-108MHz)9. memory for last time the song you was listening.
Brand Name: Fronttek Model Number: M210BT Style: Neckband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,for computer/mobile phone/MP3/PSP Place of Origin: China (Mainland) spec.: wireless bluetooth headphone Color: customized any colors are available Logo: imprinted logo is available Waranty: one year Certificates: ce.rohs OEM: available Box size: 15*18.5*4.5CM CTN MEAS: 8*48*40CM G.W: .5KGS/CTN 60PCS/CTN Packaging & Delivery Packaging Detail: blister package or OEM customized package Delivery Detail: about 25 days Specifications Foldable wireless bluetooth headphone 1.professional headphone factory 2.for pc/computer/mobile 3.accept OEM 4.comfortable (m210bt)Foldable wireless bluetooth headphone Feature &
Specifications 1.high quality sound headphone 2.comfortable feather earmuff 3.mp3 insert cards headset earphone 4.fm radio 5.bluetooth cheap bluetooth stereo headphones tablet stereo bluetooth headphones factory 1) main featuressupport SD card/MMC /TF,max 16G.support audio forms of MP3, WMA. high quality speaker and sound cavity design,ensure high fidelity.CD quality effect. built-in standard 300 mA 4C polymer rechargable battery, continuous play music to 8 hours.line-in ,it can be as the HI-FI headphone to enjoy the external sound.line-out,to the paly the music through the external audio device with one audio cableone usb adapter and audio cable2) Basic technical Parameters
Specifications high quality wireless bluetooth headphone 1. ROHS 2.OEM services 3.stylish design 4.fast delivery Services / FAQs & Order Procedures Who ? We are factory do earphone more than 8 years in Dong guan city ,we have more than 300 workers ,this earphone is very hot sales in 2012,we have all series of this earphones and headsets ,they are all with good speakers ,so have good sound ,all with high quality so promise your good business in your city ,they are all with original packing so takes your good sales . What? Besides the this earphone, we also offer much&nbs
Brand Name: OEM Model Number: JM-H9001 Style: Headband Communication: Wireless Connectors: for computer mobilephone Use: for computer mobilephone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box Delivery Detail: 20 days Specifications 1.2013 best MP3 stereo wireless bluetooth headset headphones with FM 2.color:black,red 1.2013 best MP3 stereo wireless bluetooth headset headphones with FM2.color:black,red3. working distance: 10 meters4. accessories: headphone+power cable, BL-5B battery, color box. optional accessories: usb charger, memory card, bluetooth adapter5. chipset: british CRS2.0 version chipset, support all computer and mobiephones with bluetooth function6. support TF card, push pause button 5 seconds to switch to tf card model.7. support mp3 music format8. support FM radio (76-108MHz)9. memory for last time the song you was listening.
Specifications Specifications Wireless Bluetooth Stereo Headset Earphone for iPhone5 Bluetooth Headset for iPhone 5 Product Specifications1.Bluetooth Version: V3.0 + EDR 2.Support profiles: Headset, hand free, A2DP3.Standby time: up to 8 hours4.Talk time/Play time up: 3~5 hours5.Power source: Built in Rechargeable Li-ion Battery6.Earpiece: Double7.Color: White,Black Package Contents1 x Bluetooth Wireless Headset2 x Ear Hooks1 x Headphone1 x Wall Charger Adapter with Cable1 x User Manual
Specifications stereo wireless bluetooth headphone Elegant Fashion Design High Acoustic Fidelity CE/RoHS wireless bluetooth headphone stereo wireless bluetooth headphoneElegant Fashion Design High Acoustic Fidelity CE/RoHSwireless bluetooth headphone stereo wireless bluetooth headphone Product Description1. Bluetooth headphone 2. 10m 360 degree range with no cords 3. Folding wireless headphone 4. Hidden omni-directional Microphone Wireless bluetooth headphones for laptop iPhone, Samsung, Nokia 1: Bluetooth 2.1 wireless transmission protocol 2: Transmission distance and range(10m, 360° ) 3: High SNR Bluetooth audio connection 4: No wire, no transmitter, no software, no setup, it is easy and fast. 5: Automatic Switch-over between calls and music 6: Hidden omni-directional Mircrophone 7: Low power indicater 8: Adjustable headband and folded 9: Working duration: 15h, charging duration: 4h 10: Headset Spec
Specifications Superior sound quality wireless bluetooth headphone. Factory price, fashion design ,fast delivery Perfect quality . Products Medol:BT-300 BlackProducts Detail: THD:<1%SNR:≥75 dbSpeaker Size:40mmSpeaker Impedance:32ΩUsing Hours: 9-12 HoursHeadphones Net Weight:140gCarrier Frequency: BluetoothReceiving Range:8m,360 degreesFrequency Response:20 Hz—20 KHzOther Features: Built-in rechargeable battery/USB sound card Features:Perfect stereo sound,support bluetooth receiving, within 12m.With microphone,support taking phone call directly by earphone. Weight: 255 gBox Size: 81*41*32 cmPer/Box: 36 pcs
Brand Name: www.focal-deal.com Model Number: F-BH-051 Style: In-Ear Communication: Wireless Place of Origin: Guangdong China (Mainland) Warranty: 1 year Payment Methods: Western Union,Moneygram,Paypal,Escrow Packaging & Delivery Packaging Detail: Retail Package Delivery Detail: In 1-3 workdays Specifications 1.Fashion Design 2.Fast Delivery 3.Tested before Shipping 4.Factory Price,no MOQ 5.Nice Sale Service High Quality Fashion Style Mini Portable Bluetooth Headset Headphone Specifications Compatible withUniversalTypeBluetooth HeadsetsPart TypeDIY ToolsFeaturesOtherColorBlack, Purple, Assorted ColorsDimensions (cm)2.7×2.5×1.5Weight (kg)0.006
Specifications Environmental bluetooth headphone 1.Multifunction Sport & Music 2.Warm care accessory 3.Certification available 4.OEM Environmental rechargable bluetooth headphone Model:UVH001 Bluetooth wireless ear muff headphone Product Features: After Bluetooth earmuff is paired to a mobile phone, it is possible to make and receive phone calls thanks to the microphone and the speaker placed respectively on the Bluetooth earmuff. The buttons which control Bluetooth functions are placed on the one side of the Bluetooth earmuff. 1. Make and receive phone calls 2. Call the last selected number After Bluetooth earmuff is paired to a mobile phone, it is possible to listen to music thanks to the Bluetooth signal receiver and the speaker placed respectively on the Bluetooth earmuff. 1. To listen to music and to pause music2. Adjust the speaker volume when you listening to music 3. To select the previous/next song 3. To reject an inc
Brand Name: OEM Model Number: B-605 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Multiple Portable: Bluetooth with stylish design Support: USB file transmit Micro SD card up to: 32GB Transmit range: 10m Frequency rate: 2.402GHZ-2.480GHZ Bluetooth stereo power: 28mA Sensitivity: 120db Transmit power: level 1,2, 3; support amplifier without external power. Battery: Built-in rechargeable lithium battery. Packaging & Delivery Packaging Detail: Colorful paper box, if customized, pls advise in advance. 71X39.5X45CM G.W: 16.38 kg N.W: 15.38 kg 60pcs/carton Delivery Detail: 15-25 days Specifications 1.Branded bluetooth headphones 2.Bluetooth connection, 3.3D horn combination, 4.built-in two bass horn, 5.Stylish design. Micro SD card up to32GBFunctionSupport LINE-IN functionBluetooth editionLatest V3.0 +EDR,third versionTransmit range10mFrequency rat
Brand Name: OEM Model Number: JDD2 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Bluetooth specification: bluetooth V2.0 + EDR Support agreement: A2DP, Handsfree Transmission range: 3-5 m transmission Applicable models: all kinds of phone stereo: yes Standby time: 160 hours dual MIC noise reduction: yes warranty: 1 year Packaging & Delivery Packaging Detail: gift packing Delivery Detail: 1-3DAYS Specifications bluetooth headset bluetooth V2.0 + EDR 3-5 m transmission compatible all kinds of phones stereo:no bluetooth Model JDD2 Specification Bluetooth specification: bluetooth V2.0 + EDRFunction purpose: bluetooth headsetSupport agreement: A2DP, HandsfreeTransmission range: 3-5 m transmission frequency: 2.4 GHzApplicable models: all kinds of mainstream mobile phone modelsstereo:NoWeight: 9.8 gTime: 6 hoursStandby time: 160 hoursCell size: 401030Transmission power: class 2Product size: 4.5 * 1.5 * 1 comPacking
Specifications sport bluetooth headset/bluetooth headphone 1.Enjoy music cordlessly 2.Build in high quality microphone 3.High quality stereo sport bluetooth headset/ bluetooth headphone,sport bluetooth headset,stereo bluetooth headset,bluetooth earphoneHigh quality stereo surroundBluetooth specification v1.2 class 2Supports bluetooth A2DP and AVRCP profileQuick rechargeable 300mAh li-polymer batteryTalk time:up to 6 hoursMusic listening time:up to 6 hoursCharge time:within 2hoursDimenson:95MM X 70MM X 35MMWeight:45grams with b attery
Specifications New Universal Stereo Headset Wireless 1.MOQ: 100pcs 2. Be compatiable with any bluetooth enabled devices New Universal Stereo Headset Wireless Specifications of bluetooth: Bluetooth VersionV2.1 EDRTypeStereo headphone with internal micOperation Distance10mRange of Frequency2.4 to 2.4835GHz ISM bandSensitivity85dBPC InterfaceUSB2.0Music FormatMP3 at WMAStandby timeup to 200 hoursMusic Playing Time7 hoursNormal Charging TimeWithin 3 hoursBattery3.7V 300mA Rechargeable Li-PolymerPowerImput AC 100-240V, output DC 5V 300mARF Output Power-6dBm to 4dBmOperating temperature-10’C to +55’CSupportsBluetooth Headset, Handsfree, A2DP and AVRCP Profiles Features of bluetooth 1. Bluetooth Wireless Headphone with Micrphone2. Wireless chatting online(MSN, Skype, AIM, QQ...). Two-side real time wireless connection Motile, portable, Use for PC3. Build-in microphone4. Wireless operate the Music Player of PC
Specifications 1. HD bluetooth headphone with mic 2. Noise canceling 3. Original quality with all accessoriess 4. 6 colors can be chose Bluetooth stereo headphones : Color : black / white / red / green / blue / purple Here we have all series of these headphones and earphones , please send me email to ask for the catalog ! ! ! Total Freedom From Wires. This Wireless headphone deliver the great quality , without the cord getting in your way. Controls on the ear cup even let you switch tracks without pulling out your music player. When you want to change a song, use the controls on your ear cup to manage phone calls and music. Incredibly Clear Sound . The Wireless headphones feature powerful sound, as clear and strong as any wired headphone. They also come with a cable you can plug into if you don’t want to go wireless. Around 6 hours Battery Life. Longer b
Specifications Wireless Headset,bluetooth headset,bluetooth earphone for PS3 Product feature: Keep your head in the game and your hands at the controls with the Bluetooth Wireless Headset for PlayStation 3. Its lightweight design fits securely over your ears, so you never again have to worry about the tell-tale feel of a headset slipping off the crown of your head. Bluetooth 2.0 wireless technology frees you from the scourge of easily tangled wires. The headset charges directly from your PlayStation 3 in less than one hour, providing you with up to six hours of talk time and 250 hours in standby.Keep worry-free control of the game using your voiceEnjoy convenient, hands-free communication and a secure over-the-ear fit Includes USB charging cable