Brand Name: no Model Number: RF841172 Style: Headband Communication: Wireless Connectors: USB Use: iphone,ipad,most computers,cellphone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Red Black Yellow Pink White Blue etc. Packaging & Delivery Packaging Detail: color box white box polybag Delivery Detail: 30 days after sample approved Specifications 1. Bluetooth stereo headset 2. High-quality speakers 3. Frequency:20-20,000 Hz 4. Impedance:32 ohm 5. Play/Talk ~10 Hrs Specifications: Bluetooth stereo headset lets you listen to music or phone calls wirelessly High-quality speakers deliver crisp,rich sound Accept incoming calls or toggle between tracks with the touch of a button Lightweight,comfortable design for all-day listening Compatible with bluetooth enable devices,such as iphone,ipad,most computers,cellphone Frequency response:20-20,000 Hz Speaker impedance:32 ohm Transfer Distance:33 FT/10M Frequancy:2.4GHz Technology: Bluetooth V3.0-EDR Play/Talk
Specifications Handfree Chip: UTH6812 Talk time: about 4H Charging time: about 1.5h Standby time: about 100H Bluetooth standard: V2.0Chip: UTH6812Range: about 10M Signal :2.4-2 .48 Ghz Talk time: about 4HCharging time: about 1.5hStandby time: about 100HUnit: mmWeight: 11 gCharging power supply: AC input 110-240V DC output5V
Brand Name: MADE IN CHINA Model Number: I58 Style: Neckband Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone,RADIO Place of Origin: Guangdong China (Mainland) COLOR: RED Usage: MP3 & MP4 FM Radio: yes Bluetooth version: Bluetooth V2.0 Built-in MP3 player: yes Bluetooth standby time: about 200 hours Charging time: about 3.5 hours audio cable: 2.5mm to 3.5mm USB Cable: yes Packaging & Delivery Packaging Detail: brand new retail package Delivery Detail: in 3 working days Specifications Wireless Bluetooth Headphone FM Radio MP3 function Bluetooth V2.0 Stereo Headset I58 6 in 1 Multifunction Wireless Bluetooth Headphone (I58) I58 6 in 1 Multifunction Headphone SPORT MP3 PLAYER + BLUETOOTH V2.0 HEADSET EARPHONE HEADPHONE + FM RADIO W/ TF SLOT- Bluetooth headset with MP3 built in, FM radio, TF card support and Bluetooth wireless communication functions- Bluetooth version: Bluetooth V2.0- Operation range: within 10 meters- Buil
Model Number: [CVEC-B25] Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Specifications Bluetooth Headphone 1.Music streaming via Bluetooth A2DP 2.Super-lightweight 3.Comfortable 4.On ear controls Bluetooth Headphone Enjoy the freedom of wireless headphones with this Flexible Stereo Bluetooth Headset. The new Slim Edition is lighter and more comfortable than ever while still offering amazing sound quality and handy on-ear music controls. How To Get Prices For This Product:- Note down the Chinavasion product code [CVEC-B25]- Click the Alibaba "Contact Now"- Email us with the product codes you're interested in.- We'll reply to you with prices in one working day!-------------------------------------------------------------------------------------------------Manufacturer Specifications * Main function: Bluetooth Stereo Headset * Additional functio
Brand Name: USBONLINE Model Number: USWH0019 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Grey Packaging & Delivery Packaging Detail: Gift box/ OEM Delivery Detail: 2 to 7 days when confirm the order Specifications Best wireless bluetooth headphones 1 SD card wireless music headphones 2 Two year warranty 3 Excellent experience Best wireless bluetooth headphones SD card wireless music headphonesFetures:1.Advance wireless music headsets provide portable,3D sound and high-quality of subwoofer enjoyment.2.No need to connect any cable and just simply insert the SD card,you can play your favorite music.
Brand Name: AROCCOM Model Number: ELF-BH01 Style: Ear Hook Communication: Wireless Connectors: Bluetooth Use: mobile phone,tablets with call function Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black Pattern: Ear-hooking Pattern Weight: 8.9g Battery Capacity: 80mA Packaging & Delivery Packaging Detail: 1. Neutral Packing 2. OEM Packing Delivery Detail: About 20 days after sample approval Specifications High sensitivity,low power consumption,suitable for smart phones,tablets with call function Battery:80mA 8.9g soft materials bluetooth headphone,bluetooth earphone for iphone5 for Smart Phone and Tablets with call function Highlights: Compact, portable and fashionable design, easy to carry A Bluetooth headset supports 2 mobile phones at the same time , the housing of headset is plastic with rubber painting CSR V2.1+EDR Bluetooth chipset, Lithium polymer batteryHigh sensitivity, low power co
Specifications external remote headphone stereo wireless bluetooth headset of best price 1.black,white 2.type: ear hook 3.bluetooth: 3.0 external remote headphone stereo wireless bluetooth headset of best price Features: Technical Specifications Model Stereo earphone Earphone type ear hook / dual driverWeight 10g Talk time Up to 3h , 3-3.5h for listening musicStandby time 80-100h Charging time Up to 2h Battery type Lithium ion polymer rechargeable Bluetooth standard 3.0 EDR, class IIBluetooth profiles Headset/A2DP Operating distance Up to 10m Accessories Host*1,USB cable *1,ear hook*2,ancillary earphone*1 ,manual*1Function answer/reject a call ,listening ,voice controlColor Black ,White Special functions Could connect 2 unit phone, stereo
Brand Name: ACC4S Model Number: P-EARPHONE013 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: pp bag or customized package Delivery Detail: 3~5 days after payment confirmed Specifications Newest Stereo Wireless Bluetooth Earphone/Bluetooth headphones Various colors Small MOQ Best service and quality Newest Stereo Wireless Bluetooth Earphone/Bluetooth headphones--P-EARPHONE013 Newest Stereo Wireless Bluetooth Earphone/Bluetooth headphonesHigh qualityFas deliveryBest service Mix colors are available Welcome OEM 1.specifications: Item ID:P-EARPHONE013 Compatible with: Mobile phone, computer,ectBluetooth Version: 2.1 + EDR Working Distance : Up to 10 meters Frequency response : 20~20k(Hz) Frequency: 2.4GHz Impedance:32Ω Battery: 3.7V 180mAh USB Inp
Specifications 1. Headphone with Leather earpad, more comfortable 2. Music heaphone with High-Fidelity, 3. Headset with Foldable design Fashion design DJ headset for smart phones branded bluetooth headphones Key specifications:Bluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 430 mAH Li-polymer batteryTalk time: Up to 16 hoursMusic playing time: Up to 14 hoursCharging time: About 3 hours Special features:Folding and retractable design, easy to take with you.Enjoy stereo music wirelessly from Bluetooth A2DP devices.Embedded microphone for hands-free conversation from Bluetooth-enabled cell phones.When receives an incoming call, the music will pause automatically.Easy controls for mute, call transfer, voice dial and call answer/end/reject.Support remote control of play/pause, previous/next track, volume up and volume down.Automatically connect to the last connected Bluetooth device.Micr
Specifications 1. Classic headphone with new design 2. Strong bass and clear sound quality 3. Metal ear cup decoration part NEW STERO METAL WIRELSS BLUETOOTH HEADPHONES FOR LAPTOP!! Product Specification:Super stereo music Crystal clear sound (black, and white, yellow, blue, multi colors)1.Correspond with V2.1+EDR 5.Working distance range:10m &
Specifications Wireless bluetooth headset/mobile Enhancement Miniature,Wireless,Mobility Specifications:1.Bluetooth standard:V2.1 with EDR2.Transmission:Class 23.Working range:10M4.Frequency range:2.4GHz Spectrum5.Speaker output:<90db6.Talking time:4 Hours7.Standby time:100 Hours8.Supporting profiles:Dual headset and handsfreeMay vary due to the user a habit,different models of operation,and mobile phone settings.
Brand Name: Ontop Model Number: A12 Style: In-Ear Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) shinning black: Shinning white Payment: T/T,Western Union,L/C Color: white Certificate: CE,RoHs,FCC Packaging & Delivery Packaging Detail: with Ontop box packing Delivery Detail: 25 work-day after receiving your deposit Specifications 1.Play music from TF card,support TF card up to 32 GB 2.Support MP3,WMA audio format 3.With FM radio 4.Power voltage:3.7V Newest Bluetooth Headphone A12 TF card Headset/Bluetooth Headset detailed descriptionBluetooth receives the signal 15m awayPlay music from TF card,support TF card up to 32GBSupport MP3,WMA audio formatWith FM radioBuilt in rechargeable Li-ion battery(180mAh for 4 hours power supply)Wireless connection to iPad,iPhone,PC and any Bluetooth-enable devicesWith AUX port,apply to PC,mobile phone as a normal earphoneOutput power:0.5W*2(RMS)Powe
Brand Name: HZD or OEM Model Number: BT-200 Style: Headband Communication: Wireless Connectors: 3.5mm Use: all bluetooth device Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Feature: Bluetooth Support: all bluetooth device working time: 12hours Sensitivity: 112db+/-3db Frequency responce: 20-20kHz Bluetooth standard: bluetooth V2.1+EDR charging current: 110+/-10mA working distance: 10m Carrier frequency: 2402MHz-2480MHz Standard: CE,ROSH,FCC Packaging & Delivery Packaging Detail: Poly bag / Blister packing / Box packing / OEM packing Delivery Detail: 10 days after receiving the payment information Specifications 1,Bluetooth headphone 2,built in lithium battery 3,10m working distance 4,12hours working time 5,OEM brand Bluetooth headphone BT-200 good quality Product Features: 1,Support systems:audio equipments with bluetooth functions2,Bluetooth protocol standards:Bluetooth V2.1+EDR 3,Receiver range:10m / 360Frequency R
Brand Name: Gblue Model Number: G1 Style: Neckband Communication: Wireless Connectors: 2.0mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Black Chip: CSR Packaging & Delivery Packaging Detail: Blister PVC BOX Packing Delivery Detail: 15 working days Specifications Hottest Foldable High Quality Music Stereo Bluetooth Headset *Elegant Fashion Design *High Acoustic Fidelity *CE/RoHS/BQB/FCC Hottest Foldable High Quality Music Stereo Bluetooth Headset Specification: G3S is the most popular Stereo bluetooth headset with elegant fashion design, many colors available as well as the high quality. Bluetooth Version2.1 with EDROperating Distance10mBatteryBattery Built-in rechargeable li-on polymer batteryTransmission powerclass 2Charging PlugA/C chargerMusic StreamingYesMulti-function Button On/OffYesStandard Bluetooth FeaturesYesStandby Time&nb
Brand Name: Starfly Model Number: MBT02 Style: Ear Hook Communication: Wireless Connectors: Blueooth connection Use: Motorcycle, Bike, Ski, Wokers Helmet Function: Bluetooth Place of Origin: Guangdong China (Mainland) name: motorcycle open helmet headset . bluetooth headset communication DIstance: 500 meters Color: Black For motorcycle: YES For Bicycle: YES For workers: YES For sports: YES FM: YES Interphone: YES Factory service: YES Packaging & Delivery Packaging Detail: Colour Box+Blister Bag Color Box Size : 21x17x6 cm Carton Size: 65x34x23 cm/24 sets/Ctn G.W.: 21KG. Delivery Detail: 1-3 business days after bank transfer confirmation Specifications motorcycle open helmet headset . bluetooth headset with interphone intercom communication 500m range HD voice factory price motorcycle open helmet headset . bluetooth headset with interphone intercom communication Motorcycle helmet headsets / intercom /bluetooth handsfree kit 100meter 500meter two way
Brand Name: OEM Model Number: Y-3145 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: standard package Delivery Detail: 3-5 days upon receipt of the payment Specifications Mini USB IN Built-in lithium battery (charged via USB) Built in Microphone for Handsfree Cell Phone use Sports Wireless Bluetooth Headset Headphone Earphone 4 colors This Bluetooth not listen to music for your phone ,it just call and answer for mostly phone! it just listen to music for series phone !hope you know this before you buy it! •Easy to use•Portable back-hang design, convenient for sports•Allow you answer the phone anytime and anywhere•Suitable for phone or pcSpecifications:•Buttons: Play/ Pause, VOL +, VO -, Call/ Receive•Talk time: 4 hours•Standby time: 100 hours•Dimension: About 14.5 x 13.5 cm•Mini USB IN•Buil
Specifications Bluetooth Headset Handsfree Used in mobile phones,PDA,PC,headsets,mouse,keypads, keyboards, printers and other mobile fittings INTRODUCTION:Bluetooth is a new short-distance wireless communication technology. Any devices with Bluetooth features, such as mobile phones, PDA, PC, headsets, mouse, keypads, keyboards, printers and other mobile fittings, can work as wireless devices. Designed with global standards, Bluetooth technology applies to international certified ISM bandwidth. The frequency band ranging from 2.4GHz to 2.48GHz is divided up into 79 channels by way of frequency hopping up to 1600 times for data transmission with a distance of 10 meters.FEATURES:1.Support V2.1+EDR with Handsfree Profile 1.5.,Headset Profile 1.1 and A2DP Profile 1.2. (Class)2. Complies with international certified ISM bandwidth.3. Certification: CE, FCC, RoHS, BQB SPECIFICATION:1.Standby time:100hours2.Talking time:5 hours3.Playing music time:4.5hours4.Distance: up to 10 meters5.We
Specifications 1. fashionable design 2. multipoint connection 3. noise reduction and ECHO cancellation Wsound BH503 stereo bluetooth headset Using this stylish bluetooth stereo headset, you can control the music player, manage your calls, enjoy high-quality stereo sound from various bluetooth enabled devices. Features: Enjoy stereo music from coputer and mobileExtremely good quality,superior clear voiceMultimedia,stereo, foldable Headphone,NecKphoneHandsfree,compatible with all Bluetooth Devices Such As PS3 & IPHONEHigh Capacity&Rechargeable Lion BatteryAutomatic cennecting function Energy saving function,200% longer talk timHandsfree,answer/reject call and call the last coming NO.Voice Dialing,Re-dialing functionRemote control music playback,pause,up and down s
Brand Name: OEM Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Headset version: V3.0+EDR Support profiles: Headset,Hand-free, A2DP Operation Range: 10meters Battery: Rechargeable lithium Color: Black and White Packaging & Delivery Packaging Detail: 1.paper with color box packing 2.packing according to customer's requirement Delivery Detail: 1-3 days for sample order, 3-10 days for bulk order Specifications 1. CSR chip 2. connect 2 phones 1 time 3. play music 4. for iphone,for samsung etc. Stereo bluetooth headset with two phones Specifications: mobile phone stereo bluetooth headset 1. CSR chip 2. connect 2
Brand Name: OEM Model Number: headset Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: anti-static bag,paper box,polybag. Delivery Detail: within 48 hours after received payment Specifications 1. Headphone with Leather earpad, more comfortable 2. Music heaphone with High-Fidelity, 3. Headset with Foldable design Best sale top quality most popular brand name bluetooth headset Key specifications:Bluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 430 mAH Li-polymer batteryTalk time: Up to 16 hoursMusic playing time: Up to 14 hoursCharging time: About 3 hours Special features:Folding and retractable design, easy to take with you.Enjoy stereo music wirelessly from Bluetooth A2DP d
Specifications 10m wireless connection Built-in mircophone Built-in rechargeable Li-ion battery Key Specifications : 1.Transmission Mode : GFSK 2.Bluetooth® : V2.1 + EDR 3.Frequency response : 30 Hz – 20KHz 4.Operating voltage : 3.7 V 5.Distortion : <1% 6.Signal-to-noise ratio : > 80 dB 7.Operating distance :10m 8.Music playing time : About 10 hours 9.Standby time : About 300 hours10.Charging time : About 4 hours Features: 1. Built-in CVC echo cancellation, DSP Noise reduction2. AAC(optionalfor sound enhancement3. Embedded microphone for hands-free co
Specifications 1.Wireless waterproof bluetooth headphones 2.A B channel wireless headphone 3.Volume Control 4.Adjustable in size Wireless waterproof bluetooth headphones WL-2008-55 Car IR Stereo TV headphone Infrared Headset SpecificationIn car wireless headphoneChannel:DualMode: stereoS/N ratio: ≥60dBDistortion: <1%Frequency response: 20 - 20,000HzImpedance:32 OhmsSensitivity: -88dBm±3dBChannel:DualCarrier frequency: a) A channel: 2.8MHz for right channel; 2.3MHz for left channelb) B channel: 3.8MHz for right channel; 3.2MHz for left channelVolume ControlChannel Switch5M Ultra Long RangeFrequenc
Brand Name: netphone Model Number: DK118-1000,DK118-1000 bluetooth headphones Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) wireless: bluetooth distance: 1000m work for: motocycle,bicycle,mp4,gps work speed: 120km/hour talking time: up to 7 hours waterproof: yes OEM: yes Certificate: CE,FCC,Rohs, Patent Stock: 1000pcs Packaging & Delivery Packaging Detail: Colorful gift box Package Dimension: 215*160*60mm Package Weight:0.36kg PCS/CTN:30PCS Carton measure:440*490*290mm G.W/CTN:11.6kg Delivery Detail: stock for 1000pcs Specifications 1> 1000m Wireless Bluetooth Headphones 2> work speed reach to 120km/hour 3> up to 7 hours talking time 4>moto walkie talkie OEM 1000m Wireless Walkie Talkie Wireless Bluetooth Headphones Main Features:Maximum talking range 100/500/1000 meters between two riders, real two- way wireless communication between t
Brand Name: xk Model Number: xk-1065 Style: Ear Hook Communication: Wireless Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: as photoes Packaging & Delivery Packaging Detail: retail package or as your request Delivery Detail: Depends on your quantity,Mostly,3~7 days after payment done Specifications Sport Bluetooth headset 1)Bluetooth V1.2 compliant for mobile phone or PC 2)Talk Time: Up to 4 hrs 3)Stand-by time:200 hrs Welcome to Our Fashion Shop Wireless bluetooth headset for Mobilephone, China Lowest Price Specifications:1.sport bluetooth headset 2.wireless 3.used for mobile phone,PC Item Wireless bluetooth headset for Mobilephone, China Lowest Price Quality ControlInspection by
Specifications 1.Bluetooth 2.1 wireless transmission protocol 2.High SNR Bluetooth audio connection 3.Hidden Omni-directional Microphone High SNR Bluetooth Headset (Nbth03) Bluetooth 2.1 wireless transmission protocolTransmission distance and range(10m, 360°)High SNR Bluetooth audio connectionNo wire, no transmitter, no software, no setup, it is easy and fast.Automatic Switch-over between calls and musicHidden Omni-directional Microphone Low power indicator Adjustable headband and folded Working duration:15h,charging duration:4hHeadset Spec.: frequency response:20-20KHz,SRN:85dB, working Voltage:3.7V,current:30mAMicrophone Spec.:100Hz~10kHz&SRN≥55dB&Sensitivity:-42dB
Brand Name: OEM Model Number: BT-300 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Products Name: Popular mono wireless bluetooth headset Rang: 10meter Frequency range: 2.4GHz-2.48GHz Transmission power: class 2 Operating Power: 110-240V, 5V Mode: Hands free, headset, AV2DP, HFP, AVRCP Color: Black, White, Light Blue and Pink Talk time: 4 hours Standby Time: 100hours Type: Popular mono wireless bluetooth headset Packaging & Delivery Packaging Detail: Paper gift packing Delivery Detail: Within 1-7 working days Specifications Popular mono wireless bluetooth headset 1. Fashionable design, 2. Automatic Connecting 3. clearly sound Popular mono wireless bluetooth headset Specification: 1). Compeatible w
Style: In-Ear,In-ear Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications Bluetooth Headsets Bluetooth HeadsetsOffer Group:Offer Post Time:2008-05-13Expiration Date:2008-12-28Details:Bluetooth Earphone/ Bluetooth Headset/ Wireless Earphone(KD-BH008): Bluetooth version: V1.2 Operating Distance: 10 Metres Weight: 10 grams Range of Frequency: 2.4GHz Spectrum Dimension: 43mm X 23mm X13mm Talk time: 8 hours talk-time Standby time: 200 hours Nominal charging time: Within 3 hours Ear compatibility - Adjustable for both left and right ear. Rechargeable Li-ion ploymer battery.
Specifications 1 .Enjoy music cordlessly 2 .Build-in high quality headphone 3. Comfort earhook design 4. Fashion Stereo Bluetoon Specifications:1.Bluetooth function2.Cheapest portable bluetooth headphone3.Newest fashionable design4.Quick rechargeable battery Main Features:1.Bluetooth wireless/wired headphone2.The built-in microphone and call-forwarding function3.Remote control the function of PAUSE/PLAY4.Remote control last/next song5.Adding and connecting your bluethooth devices immediately6.Controlling answer calling and reject calling7.Controlling volume up and volume down8. Support with Laptop,PC, iPhone/Mobile phone as insert audio cable with the audio port .9.Waterproof:IP67 Products Functions:1.Colour:white, red, black, blue2.Type: Bluetooth wireless/ wired 3.Bluetooth version: Bluetooth v1.2 Class24.Chipset: BC6130 5.Support profiles: Headset, Hands free, AVRCP, A2DP6.Master control :CSR7.Transmission distance: 10 meters8.Listening to FM consum
Specifications bluetooth headphone: 1.high definition sound 2.with mic controltalk 3.light and compact for lifestyle 4.comfortable Wholesale High Definition Stereo Bluetooth Headphone : Sound Noise Level(dB) EFFECT Whisper30Very quietQuiet Office50-60comforatble hearing levels are under 60dBVacuum Cleaner,Hair Dryer70Intrusive,interferes with telephone conversationsFood Blender85-9085dB is the level at which hearing damage(8hrs.) beginsGarbage Truck,Cement Mixer100No more than 15 minutes of unprotected exposure recommended for sounds between 90-100dBPoer Saw,Drill/Jackhamer110Regular exposure to sound over 100dB of more thatn 1 minute risks permanent hearing lossRock Concerts(varies)110-140Threshold of pain begins around 125dB Keys and Parts:1. Multifunction key2. Track back3. Volume
Brand Name: OEM&GO-ON Model Number: GB-100 Style: Headband Communication: Wireless Connectors: 3.5mm Use: mobile,tablets, Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Technology: Bluetooth V2.1+EDR Color: Black Effective range: Up to 15 meters(360°) Signal-to-noise ratio: 90dBr@1KHz Mode: Stereo Frequency response: 20Hz~20KHz Charging time: 2 hours Charge Voltage: 5V Operating time: More than 15 hours Power supply: Rechargeable Lithium-Polymer battery(500mAh) Packaging & Delivery Packaging Detail: Blacking carrying case + color box 1pc per color box,20pcs per carton box Delivery Detail: 30 days after order comfirmed Specifications Crystal sound bluetooth headset 1,Foldable design 2,Lithium-polymer battery 3,Built-in buttons 4,CE FCC RoHs certificate Crystal sound stereo wireless Bluetooth headphone with big earcup design The GB-100 is Bluetooth stereo headsets with rechargeable lithium-polymer battery. Built-in