Specifications 1.Support A2DP, AVRCP; 2.Smart connection; 3.Rechargeable battery system; 4..Built-in Mic. BLUETOOTH MP3 HEADPHONE E68 Function TF card support,bluetooth built-in, mp3, headphone, telephone, EQ Specification( bluetooth part)Bluetooth version: bluetooth V2.0.Transmitted power: Class 2(max 4 dBm)receive sensitivity: battery: rechargeable 460mAh Li-ion battery.power supply: DC5Vcontinuous talking time: over 15 hoursstandby time: about 240 hoursweight: 77gsize: 15*15*6.5mmoperation range: within 10 meters Specification(mp3 part)Audio format support: MP3/WMA/WAVExternal memory enlarge: TF card( Max 8G)Play time: continue about 10 hoursUSB Jack: USB 2.0Frequency response: 20Hz~20kHzOutput power: 15mW*15mWRecord sampling rate: 64Kbps/8KHzRecord format: WAV Hardware specification definitionSolution Transmit powerClass 2, Max4 dBmReception sensitivity-88dbm(typical)Working Band2.4G ISM Band,2
Brand Name: OEM Model Number: PRO-BH002 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Red/green/black Packaging & Delivery Packaging Detail: Blister packed Delivery Detail: 3 working days after receive full payment Specifications New Sport Bluetooth headset 1)Bluetooth V2.1 2)Talk Time: Up to 4 hrs 3)Support iphone and smart phone music fundtion High quality Sport Bluetooth headset, Bluetooth V2.1 Specifications:1.sport bluetooth headset 2.wireless 3.used for mobile phone,PC 4,support music and phone function for iphone and all smart phone. Product Description:100% Brand NewWeight: 118gOperating frequency range:2.402GHz~2.480GHzBluetooth V2.1 compliantRange of Wireless C
Specifications high quality Sound proof bluetooth headset 1. Sound proof; 2. Bluetooth stereo power: 28mA 3.Built-in battray 4.memory card high quality Sound proof bluetooth headset 1. Sound proof;2. Bluetooth stereo power: 28mA3.Built-in rechargeabl battray 1. Sound proof;2. Support usb file transmit;3. Micro SD card up to 32GB; 4. Support LINE-IN function;5. Latest V3.0 +EDR,third version; 6. Transmit range:10m; 7. Frequency rate:2.402GHZ-2.480GHZ;8. Bluetooth stereo power: 28mA.9. Sensitivity: 120db
Specifications Aminy bluetooth headset good quality bluetooth headset your preferred music headphones,double device to connect model number Aminy:M350.Version: V3.0+EDR.Mode: Hands Free/Headset.Frequency:2.4GHz.Transmit Power: Class 2.Support A2DP music playback IOSPower display Power saving mode suspended The sound add 1 drag 2 Connect two phones at the same time easily conversion .Range: 10M.Power: ACInput 110-240V, DC Output 5V.Talking Time:5H about.Standby Time: 100H about.appearance size: 47*18*10mm.Product Weight: 8g about
Specifications -Bluetooth headset, the world's first clip-on -Calling up reminder -Ultra-long standby,5 days -Clip-on style -ear-hook style Bluetooth Headset ,the world's first clip-on, calling up reminder -Appliant to Version 2.0-Transmitter Power: Class 2-Operation Distance: Within 10m-Embedded rechargable Li-batteries:300mAh-Charger output Spec.: 5.0V(300mA)-Normal charging time: 1~2 hrs-Calling time: 4 hrs-Music Time: 6 hrs-Standby time: 110hrs-Headset Size: 47*17.5*28mm-Weight: 10.8 g
Specifications 1.Wireless bluetooth headphones 2.With Detachable ear wire and microphone 3.Silver color 4.Passive noise cancellation Professional Sound Wireless Bluetooth Headphones With Removable Cable With Mic Silver Color Features:Professionally tuned 40mm driverProfessional soundHigh-end stylingEnhanced bassSoft memory foam cushionsPassive noise cancellation Professional Sound Wireless Bluetooth Headphones With Removable Cable With Mic Silver Color Detailed parametersProduct NameProfessional Sound Wireless Bluetooth Headphones With Removable Cable With Mic Silver Color Quality Warranty3 months.SamplesOur company can offer samples, but we kindly ask you pay for samples and the freight.Quality ControlEvery one tested with inspection machine to make sure that every pcs works well before shipping.Detail PackingPacked in customized package.Delivery TimeIt varies
Brand Name: KD Model Number: S009969 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer, MP3, MP4, Phone and so on Function: Bluetooth Place of Origin: Guangdong China (Mainland) Weight: 80 gram Volume: 14cmx10.5cmx3.7cm Packaging & Delivery Packaging Detail: In reel Delivery Detail: Within 3-5 work days Specifications Bluetooth Headset with Charger Weight: 80 gram Volume:14cmx10.5cmx3.7cm Bluetooth Headset with ChargerSKU:S009969- Talk up to 4hours-Stand by Time up 70 hours-Light weight 5.6g-Auto-detectable,Auto matic Pairing-ready when powered on -Sleek and minimastist design Reference Pictures:
Brand Name: OEM Model Number: BT-H01 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: black, red, and white Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 15 to 30 days Specifications bluetooth 3.0+EDR Support phone call function Foldable and retractable headband AUX input function BQB available Wireless bluetooth headset Main features:1. Bluetooth CPU: ISSC IS1681S2. Compliant with Bluetooth 3.0+EDR3. HSP, HFP, A2DP, AVRCP Profile support4. AUX input function5. Foldable and retractable headband6. Operating distance: 10 meters7. Answer & end a call at click of a button8. Redial last number9. Voice dial10. Volume control11. Playback control (previous track/ next track/pause/play)12. Built-in Lithium battery 260mAH13. Working time: Music: up to 7 hours Talk: up to 8 hours &nb
Specifications DJ Studio Music Headphone Headset Earphone Handfree For Mobile Phone 1.Newest Arrival 2.Top Quality 3.All Test Extraordinary bass sound bluetooth headphone on head music play wireless and portable headphones 1. 2013 popular foldable headphone2. Manufacture with competitive price & good quality3. Imprint customer's logo as request4. Excellent sound performance 5. Custom packing design service6.1- 2pcs free samples available 7.headphones for personal use, for gift to friends ,for company sales promotion ,for supermarket retail or wholesale or any other Enterprises or institutions requires 1. fashionable design 2.Strong bass generated from powerful driver3.Excellent sound quality .4.High-end protein earcushion material for most comfortable5.Newest and best selling headband headphone .6.Headband is adjustable to fit defferent sized heads7.Advantage price and high quality for mass purchase.8.Detachable cable,Flat cable or round cable optional.9.Can add m
Specifications CSR8645 Bluetooth Stereo Headset 1.V4.0, CSR8645 chipset 2.Support bluetooth 4.0 3.Support APT-X (lossless), AAC-LC CSR8645 Bluetooth Stereo Headset1.V4.0, CSR8645 chipset2.Support bluetooth 4.03.Support APT-X (lossless) Technical standards: CSR 8645 program supports Bluetooth 4.0Transmission distance: 10 metersDimensions: length 180mm wide 70mm thick 40mmProduct Weight: 178g (grams)Talk time: 12 hoursStandby time: 300 hoursCharging time: 2 hoursBluetooth headset features:1)beautifully trends, fashion design.2)support HFP1.6, A2DP1.2 and AVRCP1.43)Supported formats: aptx (lossless), AAC-LC, MP3 and SBC4)super power saving, use dedicated charging management, to better protect the lithium battery5)anti-jamming, strong confidentiality. Noise reduction6)Then hang up, redial, reject a call, mute function, built-in Bluetooth priority
Specifications Bluetooth earphone for laptop and cell phone Feather: 1) OEM brand 2)Customerized 3)Easy-to- carry 4 )Waterproof Headphones bluetooth/ Waterproof bluetooth headphones Features: Multimedia Headphone for Computer, MP3/4 player. Miniature ear buds make you comfortable Suitable for children Portable frame and easy to carry Perfect voice and beautiful appearance.Specifications: Speaker: diameter 27 Mylar Impedance:32Ω at 1K Hz Sensitivity:105dB±3dB at 1KHZ Frequency response: 20-20,000HZ Rated Power:100mW Mic Dimension:φ9.7×4.5 Polar Pattern: omni-directional Sensitivity:-58±2dB
Specifications Fashion Handsfree bluetooth headphone 1) Bluetooth V2.0 + EDR 2) Cool design bluetooth headsets 3) Talktime up to 4 hours Fashion Handsfree bluetooth headphoneEnjoy wireless convenience and crystal-clear audio when talking on your cellphone. The B30 Mobile phone Bluetooth Headset features a single button that lets you make and receive phone calls simply and intuitively. And the innovative design is sure to turn a few heads. Features: 1. Bluetooth V2.0+EDR, Class II2. Up to 4 hours of talk time; up to 65 hours of standby time3. Excellent solution for low cost & good quality headset. 4. Earphone to be changed as instructed.5. Lightweight earpiece for a secure, comfortable fit in left or right ear Specifications: Dimension : 41.3 x 21.5 x 11 mmUnit weight: 8.4 gColor available: Custom Colors Avalilable Package Includes : Bluetooth Headset Charger AdaptorUSB ConnectorUser Manual
Specifications R15 Bluetooth V4.0+EDR Bluetooth Headset For Cell Phone *Bluetooth V4.0+EDR *Receive or make a call *Low power comsumption G18 Bluetooth V4.0+EDR Bluetooth Headphone For Cell Phone Key specifications:Bluetooth specification: V4.0+EDRBluetooth profiles: HSP, HFP, A2DPOperating distance: 10 meters Class IIRechargeable 90 mAH Li-polymer batteryTalk time: Up to 3 hoursMusic playing time: Up to 3 hoursCharging time: About 1.5 hoursSpecial features:In-ear type with confortable earplug, 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, volume up and volume down.Automatically connect to the last connected Bluetooth device.Micro USB connector charging via AC charg
Brand Name: OEM. Neutral Model Number: BH01 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth version: 3.0 +EDR RF Range: 10 meters Playing time: Up to 10 hours Talking Time: Up to 11 hours Standby Time: Up to 250 hours Charging time: 2 ~3 hours battery capacity: 280mah Color: Light Blue, Yellow, Red, White, Black, Pink Packaging & Delivery Packaging Detail: Each one in retail gift box Delivery Detail: within 48 hours Specifications 1. support all cellphone / PC/ Device with bluetooth function. 2 Wireless Stereo Bluetooth Headphone Universal Wireless Stereo Bluetooth Headphone for iphone ipad samsung cellphone We can OEM put your logo on the headset. Why coursing from us?Top Quality with Fast Shipment.1 year warranty.Excellent after-sale.Sample and bulk orders are available.Fast response within 12 hours and less.O
Specifications Bluetooth headphone for iphone bluetooth receiver Bluetooth headphone for iphone bluetooth receiver handset Specification: Version: Bluetooth V2.1+EDRReceiver distance: 10MFrequency: 2402MHz-2480MHzPlug: USB 2.0Li-ion battery 4.2V 320mAWorking Voltage: DC 5V 500mA Playing time: about 12 hoursS/N: 82dBDriver Unit: 40mmImpedance: 32 ohmsSensitivity: 108dB S.P.L.at 1 KHzRated power: 20mWAggregate capability: 40mWFrequency Response: 20Hz-20,000Hz Detailed images: Organization Structure Chart: Factory photos:
Specifications 2012 newest hifi wireless bluetooth headphone 1.Latest Bluetooth V4.0 support 2.Support Hands free and headset profile 2013 newest hifi wireless bluetooth headphone Description: 1>Bluetooth Specification 2.1+EDR2>Bluetooth Profile A2DP1.2, AVRCP1.0, HFP1.5, HSP1.03>RF Range 10 m4>Frequency Response 80Hz-20KHz5>Loudspeaker Output 100 mW6>PL 113dB/+-3dB (1kH/1Vrms)7>Signal-To-Noise ≥80dB8>Distortion ≤1.0% 9>Microphone sensitivity -42dB 10>Playback Time 8 hours11>Charging Time 2.5hours12>Charge connector Micro-USB connector13>With 220mah lithium battery 14>Weight:116g Terms of Payment: T/T 30% before production in advance,Balance before shipment. Feature: 1.High quality Stereo music playback support2.Support Bluetooth V2.1+EDR3.Extra compact design4.Special Multi-function button design for easy operation5.Support Hands free and headset profile6.8 hours p
Specifications Portable bluetooth headset smallest bluetooth headset blister packing standby time:110hours operation range:10m Portable bluetooth headset1.The smallest and lightest 2.Easy-to-use one touch button control 3.Fashionable design and light weight at only 6.9 grams 4.Reversible ear hook, wear on either ear 5.Noise reduction microphone, Excellent sound performance 6.Enhanced voice clarity makes it easy to chat 7.Rechargeable Li-polymer battery 8.Auto re-link with your mobile headset 9.Talk time up to 6 hours,standby time up to 110hours Product Specifications bluetooth versionv 2.0Talking time6 hoursstandby time110 hourscharging time1-3 hours
Brand Name: DS Model Number: CWYT032A Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: standard box, or OEM Delivery Detail: 1-7 days, according order quantity Specifications Headband Wireless Bluetooth Headset SpecificationMain Function: Bluetooth HeadsetSupporting Edition: 2.1Frequency Range: 2.4 GHz - 2.48GHzTransmission Power: Class2Transmission Distance: 15MEnvironment:- Working: -20 Degrees Celsius -60 Degrees Celsius- No working: - 20 Degrees Celsius -60 Degrees CelsiusTemperature: Charging: 0 Degrees Celsius - 45 Degrees CelsiusOperating Voltage: 3.6vOperating Current: less 35mAStandby Current: less 2mACharging Time: 2-3HTalking Time: more than 6.8HStandby Time: 200HColor: BlackPackage1xBluetooth Headset1xCharger1xUser Manual
Brand Name: LGL Model Number: BT-201 Place of Origin: Guangdong China (Mainland) Material: Wool + Villus fabric Color: black ,pink , cream , brown , blue MOQ: 500pcs Name: bluetooth earmuffs,earflap,earshield Accessories: USB Cable for charge Use: Business Gift,promotional gifts Packaging & Delivery Packaging Detail: plastic bag PVC bag gift box customized packing is available Delivery Detail: depend on QTY ,usually 25-35 days Specifications best neckband bluetooth headphones -with speaker auido -foldable -Wool + Villus fabric -color:white,black,gray, best neckband bluetooth headphones for winter Model : BT-201 Specifications: bluetooth headphone V3.0 *Rated Power: RMS 0.5W + 0.5W * Speaker Unit: 32Ω/0.5W, 40mm * Frequency Response:20HZ---20KHZ *CD quality music through APTX, compatible with Bluetooth-enabled mobile phone,PDA,PC and other equipment *Operating range: 10 meters*Talk time: Up to 12 hours*Music playback
Specifications 1.Mini bluetooth 2.6 to 8 hours available 3.Bluetooth hands-free car for iphone 5 portable green bluetooth stereo soundSpecification Name for iphone 5 portable green bluetooth stereo sound LogoCustomer designMaterialABScolorgreen Model No.IP5-033MOQ2000pcsUsefor iPhone 5Place of orignShenzhen,China Feature1 30m bluetooth available2 hands free for calling3 small ball design for easy carrying4 with light-emitting5.stereo voiceFunctioonnice voice.good feelingMarketHot sell in USA,Europe,Japan,France,England etc.Delievery timeWithin 2-3 working days
Specifications KDB-808 colorful bluetooth Headset can make any color extisting different design for choose CE.ROHS,FCC,BQB KDB-808 colorful bluetooth Headset : Operating Instructions Calling operation: Receiving call: The cellphone rings when you are listening to music and there is implication sound. Conversation can begin as long as pressing the multifunctional power key.End the conversation:Method 1:Press the multifunctional key once to end the conversation.(Note:Press once only and do not press it for a long time.)Method 2:End the key of the mobile phone. The cellphone rings when you are listening to music, the headphone will switch from music player to connect the cellphone and the music will stop to play. When conversation ends up, the music will continue to play.Hang up call: In status of conversation, press the power key for about 2s, the call will be hang up with tone. Maintenan
Specifications 1.super stylish bluetooth headset with high quality 2:Stylish earphone housing 3:Customized color and logo print Features: 2.4GHz uncompressed sound intact 2-way transmission invisible microphone
Brand Name: HFL Model Number: HFL-DSC00143 Style: In-Ear Communication: Wired Connectors: other Use: earphone Function: Bluetooth,Silicone earphone plugs Place of Origin: Guangdong China (Mainland) Material: 100% food grade silicone Size: 12x13mm Layer: Double Layers Color: Different Colors Payment terms: T/T, L/C Payment methords: FOB shenzhen MOQ: 10000pcs Certificate: ISO9001, SGS Shipment: as customized Packaging & Delivery Packaging Detail: Inner packing:2pcs packed in polybag,1000pcs packed in polybag outer packing:10 polybags/ctn measurement:335*290*265mm We also can make the packing by clients' request . Delivery Detail: 15-25days Specifications Silicone earplugs for bluetooth headset 1,Material: silicone 2,MOQ:10000pcs 3,Shipment: as customized 4,Color: as customized silicone earplugs for bluetooth headset:1.Made of 100% grade silicone with FDA and SGS approval2.Bowl shape to fit the ear canal comfortably for decreasing noise 3.Non-toxic,smooth, dirt resistant4.More
Brand Name: Roman Model Number: R95 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: GUA,Guangdong, China China (Mainland) Packaging & Delivery Packaging Detail: paper color box /Blister packing/wooden box/metal box Delivery Detail: 3-5 working days Specifications 1.mono wireless bluetooth headphone 2.Built-in rechargeable battery 3.Energy saving 4.Distinctly superior Features of Wireless headphone: 1.Wireless headphone with built-in rechargeable battery 2.Wireless headphone,suitable for different bluetooth mobile phones 3.Bluetooth mono call center headset, low end and long talk time 4.Wireless headphone with adjustable volume and 10 meters effective range 5.stylish mini and elegant appearance design 6.easy to wear without hook ,very comfortable 7.redial the last call,clear sound,reject call,volume adjustable 8.faster connecting ,convenient to li
Specifications 1.foldable bluetooth headphone 2.foldable mini-design 3.high-fidelity sound 4.two-way chat on the net 4.OEM logo and packing Mini-design foldable bluetooth headphone ---LB601 -----credibility first------ quality first------ customer first------ service first Headphone:Feature: 1. Enjoy musci wirelessly with Bluetooth stereo enabled device2. Build-in high-quality 40mm mylar loudspeaker for audiophile garde sound quality3. Convinient USB charging4. Remote function: play, stop, previous/next , volume +/-5. Mini-foldable design, graet for tarvel and out door useSpecifications: 1. Bluetooth specification v2.1+EDR class 22. The latest version of A2DP 1.2 and AVRCP 1.0 profiles support3. Supports Bluetooth headset and handsfree profile (HPF 1.5)4. RF frequency range: 2.402~2.480Ghz, 2.4G ism BAND5.Rechargeable 200mA Li-polymer Battery6. Talk time: Up to 5 hours Bluetooth Dongle:Feature: 1. Convert non Bluetooth PC into Bluetooth enable
Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister packing Delivery Detail: within 2-3 days Specifications 1. stereo headphone with bluetooth 2. bluetooth headphone with mp3 player 3. support 16GB TF card 4. sport style,easy to wear Sport Style Wireless Stereo Bluetooth Headphone with FM Radio And MP3 Player Specifications: 1. stereo earphone with bluetooth2. bluetooth earphone with mp3 player3. support 16GB TF card4. sport style, easy to wear MP3 + volume control.Bluetooth master keys.Key functionsoperatingsound state of the instructionsAccording to three seconds longer boot pairing blue light. LongBoot length by 2 seconds the blue lights flashLong by&nb
Brand Name: XLJ Model Number: X1101 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color:: Red Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: Within 2 days Specifications 1.bluetooth headphones sport 2.Buttons:Play/Pause,VOL +,VO -,Next/Prev,Call/Receive 3.Play/Talk time:up to 3hours 4.Color:Red Description:Brand new and high quality.Allow you answer the phone anytime and anywhereWireless connected and let you enjoy the moving fun of musicButtons: Play/Pause, VOL +, VO -, Next/Prev,Call/ReceiveBuilt in Microphone for Handsfree Cell Phone useSeamless switching between music and callsUniversal compatible with mobile phone, music player, PC, etc which support bluetooth V2.0 or abovePlay/Talk time:up to 3 hoursStandby time: 72 hoursWireless Range:Up to 33ftWorking frequency: 2.4-2.48GHzBuilt-in lithium battery (charged via USB)Suitable for sports activities Package incl
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:
Brand Name: Sinoband Model Number: HTH-530BT Style: Headband Communication: Wireless Connectors: Bluetooth Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Multi color Collected by: Faye Packaging & Delivery Packaging Detail: Blister Packing Delivery Detail: 3-5Days Specifications 1.Support HSP,HFP,A2DP and AVRCP 2.Bulid-in 360 d Omin directional microphone 3.Bluetooth headphone with Near Field Communicat 2013 HOT best selling Bluetooth headphone with Near Field Communication for iphone for mobile ,computer,tablet pc,ipad, ipad mini,samsung Bluetooth version BluetoothV3.0+EDR SUPPORT: HSP, HFP, A2DP and AVRCP Buttons Volume up/down
Brand Name: vakind Model Number: 3131 Style: In-Ear Communication: Wired Connectors: Other Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: Black Packaging & Delivery Packaging Detail: air bag. Delivery Detail: 3-7 days after payment Specifications BCK08 Slim A2DP Stereo universal Bluetooth Headset new Wireless frequency: 2.4GHZ-2.48GHZ Transmission range: 6 - 10 m BCK08 Slim A2DP Stereo universal Bluetooth Headset newBrand new Bluetooth V2.0 stereo headset! Suitable for all Bluetooth V2.0 enabled mobile phones, PDA, PC, etc. Ultra fashionable design, small size and light weight Proper design, wear comfortably Advanced technology of echo elimination and noise reduction, provides perfect sound quality Including stereo earphones and single earphone, wirelessly listen to the music from mobile phone and PC, enjoy the music as much as you like Multifunctional single key operation, easy to control Separate volume