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
Brand Name: CBV Model Number: CBV-002 Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Function:: Noise cancelling,bluetooth Use:: Computer, Laptop Portable Media Player color:: black,pink Packaging & Delivery Packaging Detail: Rosh packing, polybag, plasticbox,the detail is up to customer Delivery Detail: In 25 Days Specifications 1.Stereo headphone 2.Great performance for music and gaming 3.Crystal clear&high quality voice 4.Noise cancellation no echo Professional manufactory of Earphones,Headphones, Headsets.1.New Style Earphone For MP3, MP4,CD,DVD and game players.2.Sound isloating&stereo earphone, fashional design3. Easy to carry when you travel around.4.Elegant apperance to show yourself. High-Resolution Pictures:
Brand Name: Hensallcd Model Number: for Bluedio E9 Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone,Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: White/Black Quality: Original Status: In stock Name: Bluetooth Headset In box packing Packaging: anti-static bags with foam box Leads time: 1-3 days Shipping: DHL,EMS,UPS,HKost,ChinaPost Guarantee: 6 month fit for: Bluedio Bluetooth stereo Headset E9 Packaging & Delivery Packaging Detail: Packed with anti-static bag and foam box Delivery Detail: Within 1-3 days after confirm the payment Specifications High-End Wireless Stereo Bluetooth Headset Headphone 1. 100% test by QC 2. Competitive price The details For High-End Wireless Stereo Bluetooth Headset Headphone for Iphone for Samsung for HTC, Bluetooth V3.0+EDR, A2DP for Bluedio E9 as follows: Victorious return of upgrade version E9+, uses Bluetooth version 3.0 from
Specifications small bluetooth headphones 1.Long standby time; 2.TF card is available; 3.stereo bluetooth headphone; small bluetooth headphones Item No.HF110size168 x 160 x 56 mmweight100gBluetooth Standardbluetooth V2.1+EDRFrequency Range2.400-2.481GHz OperationClass 2Bluetooth Modeheadset/handfree/A2DP/AVRCPOperating rangeup to 30 feet (10 metres)Talk Timeup to 10 hoursStandby Timeup to 200 hoursCharge VoltageDC:input 5.0V Special Feature 1NFC functionSpecial Feature 2TF card is availableSpecial Feature 3The best partner of instrument with Android & IOS system
Brand Name: LD Model Number: S69-0301 Style: Headband Communication: Wireless Connectors: USB Use: laptop,PC,Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth Version: V2.0+EDR Class II Operating Distance: 10metres(390"inches) Supported Profiles: Headset, Handsfree, A2DP and AVRCP Profiles Frequency: 2.402-2.480GHZ GFSK light weight: 126*70*40mm,42g Packaging & Delivery Packaging Detail: standard export package Delivery Detail: prompt shipment for trial order Specifications 1.original Factory Price. 2.your music everywhere. 3.Simple design. 4.Bluetooth headphone with smart sound mini foldable Bluedi brand Wifi bluetooth headphone stereo headphone with A/C charger and USB Just for your stylish package
Brand Name: Lonygame Model Number: BT-04 Style: In-Ear Communication: Wired Use: Other Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Black,White,Red,Pink,Blue,Orange Packaging & Delivery Packaging Detail: Color box Delivery Detail: 7days Specifications 1,New Design Model 2,Factory High quality and cheaper price 3,Best product for your sale 4,Large in stock BLUETOOTH STEREO HEADSET &nbs
Specifications stereo sports bluetooth headset can answer call and mp3 playerChipset CSR BC5 Frequency ISM 2.4GHz Bluetooth Verion V2.1+E sports stereo bluetooth headset can receive call and answer call mp3 play bluetooth headphoneProducts Pictures Products Description Technology Description Chipset CSR BC5 Frequency ISM 2.4GHz Bluetooth Verion V2.1+EDR Profiles A2DP1.2,AVCP1.0,HSP1.0/HFP1.5 Working Time 6h Waiting Time 200 Charging Voltage 5V+/-5% Battery Li-ion501235,150mA Charging Time 3h 1 Sports Stereo Bluetooth headset.2 CVC made Talking Clear;3 This lightweight and discreet headset lets you wirelessly control your music and your calls using the integrated touch controls on the sides of the headband.4 The behind-the-head wearing style is both comfortable and stylishCompany Profile WINAIT TECHNOLOGIES LIMITID, the manufacturer of digital camera and video camera for more than 13 years, our factory have more than 1000 employees, and our products contain digital came
Brand Name: OEM Model Number: XH-E002 Style: In-Ear Communication: Wireless,wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Type:: Bluetooth clip-on stereo headset Earpiece Design:: Earbud (In Ear) Features:: Noise Cancellation Wireless Technology:: Bluetooth color: black and white Earpiece Design: Earbud (In Ear) size: 6.2x1.2x.5cm Talk Time: up to 5 hours Charging time: Approximately 1.5 hours Packaging & Delivery Packaging Detail: standard package,like gift box,window box Delivery Detail: 7days Specifications bluetooth headphones Automatically switch between music and call Long standby time Muti-point connection OEM Super good price and top sell bluetooth headphones,China bluetooth headsets supplier Elegant Mini Bluetooth stereo wireless Headset Headphone for Apple,Android Smart Phones Product Specification:Bluetooth version: 3.0 Blueto
Brand Name: BW Model Number: S1000 Style: Headband,back-hang Communication: Wireless Connectors: 3.5mm Use: mobile phone; tablet pc; computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: stereo Connection: Bluetooth wireless Battery: Li rechargeable Packaging & Delivery Packaging Detail: - Box: standard or customization - User Manual x1 - USB Cable x 1 - Charger: car charger or Travel charger Delivery Detail: 7~18 DAYS Specifications - Bluetooth Stereo Headphones - Stereo Bluetooth headphones with headband style - support a2dp, avrcp 2012 NEW popular fashionable stereo bluetooth headphone- Stereo Bluetooth headset with back-hang style- Supports Bluetooth A2DP, AVRCP, and HS/HF profiles- Features Software & CVC echo/noise cancellation for reducing noise- Foldable design provides maximum portability - Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc - Switch automatically from remote controls
Model Number: STY-BHD-13 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: grey Packaging & Delivery Packaging Detail: color box Delivery Detail: 3-5days Specifications Bluetooth Headphone Version: 2.1 Mono headsetDistance: Up to 10MChipset: ISSCFrequency: 2.4-2.48GTalk time: Up to 6 HoursStandby time: 120 HoursCharge time: 2 hrs, USB Cable to PC, free of adapter Connect to Bluetooth mobile phone Re-dial the last number
Specifications 1.Bluetooth 3.0 2.Built-in rechargeable li-on polymer battery 3.12 Hours long talk time 4.Headband design Specifications Bluetooth Version: V3.0 with EDR Operating Distance: 15m Battery: Built-in rechargeable li-on polymer battery Charging Plug:A/C charger Dimensions:150mm*140mm*40mm Headset Weight:Around 69 g VOIP:Support Multipoint Technology:No Music Streaming:Yes Multi-function Button On/Off:Yes Standard Bluetooth Features:Yes
Specifications 1)New Bluetooth Headset 2)Bluetooth V2.1 3)Beautiful,Stylish design 4)Small, light weight New Bluetooth Headset Technology ParameterTechnical standards: Bluetooth version V2.1Transmission products: 10 mSize: Length: 51mm Width: 16mm thickness: 5mmWeight: about 10gTalk time: 4 hoursStandby time: 100 hoursBluetooth headset features:1)beautiful, stylish design2)support all Bluetooth devices3)clear voice4)less interference, confidentiality, and then hang up, redial, reject a call, mute function, Last number redial
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 Either wear the ear tip or the loop Mini, compact and a perfect fit Volume adjustable Low voltage alarm by voice and light Detailed Product DescriptionFeatures:Either wears the ear tip or the loopMini, compact and a perfect fitVolume adjustableLow voltage alarm by voice and lightReject callVoice activated dialingRedial last coming number Specification:Specification: Bluetooth V2.0Size: 40.5X 19.7 X 10.8 mmChipset: BROADCOMFrequency: 2402MHz-2481MHzTransmitted power: Class 2(MAX 4dBm)Received Sensitivity: -80dBmCharging power sourcing: 5VDC/500MaBattery: Rechargeable Li-ion battery 80mAhWorking voltage: 3.7VCharging time: about 120 minutesTalking time: over 4 hoursWeight: 9gStandby time: over 130 hoursOperating range: 10 meters
Specifications Bluetooth Stereo Headphone - Supports Wireless Music Streaming and Hands-Free Calling Brand New High Music Quality Bluetooth Headset Stereo Bluetooth HeadphoneFeartures:CE,ROHS,FCC and BQB ApprovalBluetooth Version 3.0+EDRSupports A2DP AVRCP, HSP and HFPEnjoy stereo music from coputer and mobileMicrophone sensitive: [-45dB(0dB=1V/Pa,1KHz)]Extremely good quality,superior clear voiceMultimedia,stereo, foldable Headphone,NechphoneHandsfree,compatible with all Bluetooth Devices Such As PS3&IPHONEHigh Capacity&Rechargeable Lion BatteryAutomatic cennecting functionEnergy 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 selectionsVolume control key,volume up and down
Specifications 1. High quality and competitive price; 2. Stereo Bluetooth Headphones for Cell phone 3. Long standby time 4. Noise cancellin K600i Stereo Bluetooth Headphones for Cell phone, CSR chipset, Dual microphone DACOM stereo bluetooth headset. CSR chipset, Dual-microphone noise fliter, perect sound quality.
Brand Name: OEM Model Number: E-Q520 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Portable Media Player,moblie phone Function: Bluetooth,Waterproof,Noise Cancelling,Microphone,bluetooth Place of Origin: China (Mainland) warranty: one year quality: high quality orignal place: shenzhen color: black/white/grey delivery time: 3-5days payment terms: t/t. l/c, wester union. paypay Packaging & Delivery Packaging Detail: In gift box,100pcs/Carton,41.5*31*47MM.G.W.:6.64KG Delivery Detail: 1-10days Specifications bluetooth headphone 1.FOB:$0-$7.85/pcs 2.Port: shenzhen/hk 3.MOQ: 500 Piece/Pieces 4.Payment Terms: L/C,T/t Specifications bluetooth speakerGreat sound&Multiple use; connect 2 divices at the same time. can be used with other headphone jack3.5mmstereo Specifications : Bluetooth VersionV3.0TypeHandset/HandfreeOperation DistanceUp to 30 Feet (10Meters)Range of Frequency2.4GHz Sensitivity85dBPC InterfaceUSB2.0Charging Time2 HoursStandby
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
Brand Name: GMIL Model Number: BSH02 Style: Ear Hook Communication: Wireless Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Specifications Bluetooth Headphone with Microphone Bluetooth Headphone - Wirelessly play/pause/skip music tracks and control volume with headset buttons- Answer calls with the built-in microphone- Driver Diameter: Φ 40mm- Maximum Power Input: Left 20mW, Right 20mW- Power Source: Built-in Rechargeable battery (330mAh, 3.7V) or via USB cable- Charging Time: approx. 3 hours- Talking Time: approx. 7 hours- Working Time: approx. 8 hours- Standby Time: approx. 50 hours- Bluetooth Version: v2.1+EDR- Available Color: Black, White, Blue, Red
Brand Name: Jedel Model Number: JD-H2100 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) COLRO: BLACK , WHITE, PINK , BLU Packaging & Delivery Packaging Detail: gift box Delivery Detail: 20~25days Specifications sport SD card headphone with FM radio 1.nice design with good quality 2.Sound processor enhances musical and call clarity Description:Sports Running Wireless Handsfree Headset Headphone Earphone Micro SD TF Card Slot MP3 Music PlayerThe wire free head-loop Mp3 player is especially designed for sport lovers. Incorporating the behind-the-neck, over-the-ears design, this headset is extremely comfortable and secure for the most users: bicyclist, runners, joggers, walkers etc.With its fashinable appearance and built-in MP3(&WMA) player with HIFI Stereo earphones (soud output up till 85dB), you can always enjoy high quality music.Features:A stylish, great-sounding headphon
Specifications 1. stereo Bluetooth headphones with Line in function 2. factory sell directly 3. with MIC, line-in Color black,white,red,silver Speaker 1.5inch 4Ω Bluetoothsupport Line insupport Colorful,fashion,stereo Bluetooth headphones with Line in function SpecificationBluetooth Headphone with Line-in function.1. V2.1 Bluetooth Function Stereo good sound, Distance: 10m2. Line-in Function,with Mic3. Built in Lithium battery 500MAH, 4. Charge time: 2hs, play time: 6hs.5. Output power: RMS 0.5W(0.25W*2) THD=10%6. Frequency Response: 150-18KHz7. Loud Speaker 1.5inch 4Ω8. Color: black,red,white,light blue9. Packing: 60pcs/ctn, Carton size: 66*36.5*35cm. N.W/G.W: 13.5kgs/14.7kgs
Specifications -Neckband bluetooth stereo headphone -Bluetooth v4.0+ NFC -Class 2:Distance up to 10 meters -Standby time:300 hours Details of Neckband bluetooth headphone Specification - Bluetooth® v4.0+ NFC - Class 2: Distance coverage up to 10 meters - AptX, SBC, MP3 and AAC decoder support - Charging time: 3 hours - Music playing / Talk time:≥10 hours- Standby time: 300 hours- Frequency Band 2.4~2.4835GHz unlicensed ISM band- Sensitivity: 110 dBm at < 0.1% BER- Rechargeable 310 mA/h li-polymer battery- Audio Function 1.CD-Quality,44.1,48KHz16bitstereo 2.Freq.Response:20Hz~20KHz 3.Codec:Subband codec(SBC)- D 3.5mm Jack Features 1.Wearing style and ear buds help provide stability and a comfortable fit 2.Support APTX and AAC(optional).3.Embedded microphone for hands-free conversation from Bluetooth-enabled cell phones. 4.When receives an incoming call, the music will pause automatically. 5.Easy controls fo
Brand Name: OEM Model Number: A-19 Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 7-10days Specifications 1)2.40GHz-2.48GHz 2)Bluetooth V2.0+EDR, 3)Glass2 4) FM+ mp3 player +bluetooth 5)Range:10 meters Item: A-19Name: bluetooth + card reader mp3 +FM (3 in one) headphone Features 1)Operating frequency range: 2.40GHz-2.48GHz2)Bluetooth V2.0+EDR, 3)Transmitting power: Glass24)Support: FM+ micro card up to 4GB mp3 player +bluetooth5)Range of wireless connection: 10 meters6)Built-in chargeable 300mAH lithium battery7)Talk time: 8hours; 8)Stand-by time: 150 hours, charge time:3-4hrs &
Specifications Wireless Bluetooth Earphone S96 Bluetooth Headphone Upgrade Of BH320 Wireless Handfree Headset Wireless Bluetooth Earphone S96 Bluetooth Headphone Upgrade Of BH320 Wireless Handfree Headset Descriptions: 1. Bluetooth performance standard: Support Headset and Handsfree profile 2. Transmitter power: Class 2 3. Wireless frequency: 2.4 GHz-2.480 GHz 4. Sensitive: < -75 dBm 5. Transmitter distance: 10M Power Parameter 1. Charger power: Input 100-240V AC, OUTPUT 5V DC 2. Working volt: 3.7V 3. Battery: Rechargeable Li-Polymer battery 4. Charging time: 1.5 hours 5. Talking time: about 6 hours Package: 1 x Bluetooth Earphone1 x USB Cable1 x Earhook1 x Manual(Items comes without retail box and charger, if you need retail box and charger, contact with us first,many thanks! ) Detail Pictures
Brand Name: x5tech Model Number: XH-008BT Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister packing, 20pcs/CTN0.068CBM Delivery Detail: 25 days after deposit Specifications 1.Perfect design neckband wireless bluetooth headphone 2.good sound quality ,can answer the phone call. 3.with microphone Feather: 1.Fashional and simple design wireless bluetooth headphone2.with microphone ,can answer the phone call 3.Advanced Bluetooth technology 4.Easy to take and enjoy your music during sporting ,travelling ,walking ,driving ....5.Unique and Intelligent function let you will not miss any call when you enjoy your music Specification: Edition Bluetooth V2.1+EDR Frequency Coverange2.402GHz--2.480GHz ISM BandSensitivity-80dbmWireless transmitter StandardClass 2Channel79 Channels of 1MHz BWTransimt Rang
Specifications 1.Communication:Wireless 2.Use:Mobile Phone 3.Function:Bluetooth,Noise Cancelling 4.Type:Bluetooth clip-on stereo headset Specifications1. CSR chip 2. connect 2 phones 1 time 3. play music 4. work for iphone, sumsung etcFashionable 2013 mini mobile phone stereo bluetooth headset for iphone Why choose us?--1. OEM orders are welcome--2. Wholesale,Retail order acceptable.--3. Mixed order/color acceptable.--4. Fast delivery time--5. Sample available.--6. Shipment by DHL,EMS,UPS,FEDEX,China/HK post airmail to all over the world--7. Drop shipping offered.--8. Payment accept T/T, Paypal, Western Union, Escrow etc. Main Specifications: Name: Multimedia bluetooth stereo headsetType: Bluetooth clip-on stereo headset 1. Travel charger: DC 5v 220mA2. USB charger USB +5V3. Battery Voltage: 3.7V high capability rechargeable lithium polymer batter4. product standard, class 2 Operation5. Talk time: 5.5 hours6. Standby tim
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
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 Bluetooth headset with microphone; 1.top quality 2.Best price 3.OEM service 4.offer all bluetooth headset 2013 New Bluetooth Headset With Microphone Wireless bluetooth headsetWireless MP3 player headsetMobile phone call recorderHands free phone callStereo bass sound listening musicOffer all kinds of bluetooth headset Feature Frequency:2.401-2.480GHzBluetooth:Version 1.2 Class2Bluetooth profile supported:Bluetooth headphone,bluetooth hand free ,A2DP&AVRCPDistance coverage:10metersFrequency response:20HZ-20KHzSensivity:<0.1%BER at-80dBmRF output power:-6dBM to 4dBmMusic listening time:about 6hoursStandby time:110hoursBattery:3.7v/260mAh rechargeable Li-polymer,BatteryPower:Input AC 100-240V,DC 5V mini USB plugsOperating temperature:-10-55degree INCREDIBLY CLEAR SOUND. 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.
Specifications 1.talking time :3 h 2.standby time :120h 3.transmitting distance :10m 4.Bluetooth Version :v3.0 5.chip:CCMIC new smallest wireless bluetooth headset for samsung Specifications: Brand NameJPModelJP-BH99AInterface TypeUSBStyle in-ear/hear hookproduct size35*15*10mmProduct NW8gUnit Packing size167*83.5*40mmProduct GW54.4g Features and Advantages:1. Fashionable looking ,Ultra Slim and Ultra Smart Design . Removable type ear hook Products through bluetooth BQB certification2. small size and light weight make you to convenient to use 3. Three different sizes of ear plugs, wearing more comfortable 4. Technology digital signal processing - DPS. 5. Memory matching + echo elimination + voice dialing 6. support all of the mobile phone 7. the bluetooth version 3.0,8. signal sending interval extending to 0.5 seconds, chip workload greatly reduced