Specifications Stereo bluetooth headset with built-in microphone Built-in rechargereable 450mAh battery Faster connecting, clear sound The most popular foldable bluetooth headphone for iPad mini SX-907C
Brand Name: HR Model Number: SP-02 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: China (Mainland) Name: Bluetooth headphone, wireless headphones, foldable headsets Material: PLASTIC+RUBBER+STEEL CHARGE INPUT VOLTAGE: DC 5V BY MICRO USB CHARGING TIME: ABOUT 3.5 HOURS BATTERY: Rechargeable 380mAH Li-polymer battery TALK TIME: UP TO 11 HOURS PLAY MUSIC TIME: UP TO 10 HOURS STANDYBY TIME: UP TO 250 HOURS SPEAKER IMPEDANCE: 32±15% SPEAKER FREQUENCY RANGE: 20~20KHz Packaging & Delivery Packaging Detail: Packing for Bluetooth Headset China:1pc/black bag Delivery Detail: 10-20days Specifications Bluetooth headphone, wireless headphone, foldable headsets 1.Bluetooth 3.0+EDR 2.Hands-free call 3.Portable. foldable Bluetooth headphone, wireless headphones, foldable headsets: About the speaker: This headset offers great sound, comfort and mobility. Easily make
Specifications New style!!! Stereo neckband bluetooth headset headphone Fashion design in high quality Support micro SD card New style!!! Stereo neckband bluetooth headset headphone Features:*Portable bluetooth headset, support micro SD card.*Double damping balancing technology, present perfect music.*Unique neckband design for easy carrrying, good choice for using in car or outdoors.*Easy magnetic earphone storage, noise reduction, echo cancellation.*Vibration alert on call.*Apply to iphone, ipad, ipod, mobile phone, tablet computer or any other instrument with bluetooth function. Specifications:Bluetooth version: V2.1+EDRRadio frequency:2.40GHz-2.48GHzTransmit power:Class2Transmission range:10MPower charger:AC input 110-240V DC output 5V, Li-ion battery bulit-inTalking time:up to 8 HoursMusic play time:up to 7 HoursStandby time:up to 220 HoursDimension:167.3mm*135.6mm*16.9mmProduction weight:32 g Packing information:Product size:167.3mm*135
Brand Name: TXY-CM-07 Model Number: Original headphones Style: Ear Hook Communication: Wired Connectors: Other Use: Computer, DJ Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Original headphones: Purple, black, white Specifications Original headphones bluetooth headset Earphone, Stereo Headphone, microphone Original headphonesBluetooth headset Specifications: Item: CM-07Color: purple, yellow, blue, white, black, etc.Weight: 1.5 kgPacking Size: 23*17*13cmmicrophone
Specifications 1.Play music from bluetooth devices 2.Stereo 3.Portable external design with good quality 4.logo printing is available. Cool wireless Bluetooth headphone Bluetooth Version:V2.1, V2.0 ,V1.2 and standard V1.1Support Bluetooth profilesA2DP , AVRCP ,Headset Profile , Handsfree ProfileApplicable modelsCompatible with all smart mobile phone and tabletsEffective distance10 meter diameterFrequency2402MHz to 2480 MHz ISM BandMic Sensitivity45 dB (0dB=1V/pa ,1KHz)Talk time ( Fully charged )about 8 hoursStand by time( Fully charged )about 600 hoursOperating Voltage3.3V-4.2VCharging Voltage5VBattery Capacity500mACharging timeless than 4 hoursMatching method1. press power button lightly ,then the bluetooth mold of headset will open automatically 2. use your mobile phone to search the bluetooth connection "BH450B" 3. follow the tips and connect .if connected , you can use it nowAccessoriesone 3.5mm standard audio cable , one USB charege cab
Specifications Sports Stereo Bluetooth Headset Working distance: 10meters Powered with US Plug Wall Charger Flexible and durable material Sports Stereo Bluetooth Headset For Iphone Samsung Galaxy HTC Specification: NameSports Stereo Bluetooth Headset For Iphone Samsung Galaxy HTC Material Flexible and durable material DesignStereo Bluetooth Headset ColorWhitePackagePolybag inner,Carton outerPayment termPaypal,T/T,Western Union,Money Gram,L/C,escrowDeliveryGenerally 5-7 daysShipment wayDHL(3~5days),UPS(5~7days),FEDEX(7-10days),EMS(10-15days), China Airparcel post (15-30days), by sea or by air (bulk goods).Quality controlwe have professional technician to inspect the qulity before shipment in house, orinspect by machine.we welcome your feedbacks and assure
Specifications in-ear bluetooth earphone Automatically switch between music and call Long standby time Muti-point connection OEM 2013 new product Bluetooh single earphone Specifications Model No. of Bluetooth Earphone Q900 Chip 6145 chip Supporting EditionBluetooth version: V4.0+EDR Frequency Range2.4GHz Bluetooth VersionV4.0 Other Compatible Versions V1.1, V1.0, V1.2 V2.0 Scope of Work 10 Mi Neipei Transmission Power of Bluetooth Earphone Class 2Transmission Distance About 10MSupport mode A2DP, Headset, Headfree Supported ModeBluetooth-enabled mobile phone, Tablet PC, laptop Talk / music playback time about 4 hours Wearing styleEar Hood Standby time of Bluetooth Earphone about 120 hours Unique functionsVoice calls broadcast, battery indicator, double-grain noise reduction Environment Temp.Working-20 °c - 60°cCharging0 °c - 45°c Storage-20 °c - 60°cBatte
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 receive GPS voice instructions, communicate with the passenger on the back seat, to conduct calls on their mobile phone Main Function: This device allows bikers to receive GPS voice instructions, communicate with the passenger on the back seat, to conduct calls on their mobile phone and listen to the embedded FM radio or their MP3 player. Last but not least, the device offers biker-to-biker intercom communication. &nb
Brand Name: OEM Model Number: OD1 Style: In-Ear,In-ear Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Packaging & Delivery Packaging Detail: With all accessories. Delivery Detail: 2-4days Specifications OD1 bluetooth headsets . Good quality with reasonable price. Exellent after-sales servise. OD1 Bluetooth Beadsets: * Elegant private ultra light tooling(8g)* Good sound quality * Plug-in ear piece and comfortable for fitting for a long time* High-end retail packing
Specifications Ear-hook echo and noise cancellation bluetooth headset Dual-microphone CVC v5.0 achieves over 30dB dynamic noise suppression, products Description: Ear-hook echo and noise cancellation bluetooth headset KEY FEATURES:Dual-microphone CVC v5.0 achieves over 30dB dynamic noise suppression,highquality sound;echo and noise cancellation;Packet/bit error correction technology to improve audio quality due to airinterference;Operating range: 10M SPECIFICATION:Bluetooth Specification:v3.0+EDR class 2;Support:HFP V1.5 and HSP V1.1 RF Frequency Range:2.402-2.480GHZ, 2.4G ISM band;Radio Performance: Receive Sensitivity of -90dBm,TX Power Max 4dBm;Frequency Response: 20 Hz - 20 KHz,Very high Signal to Noise Ratio(SNR):95 Db,Total Harmonic Distortion(THD):0.1%;3 Button design : MFB,VOL+,VOL-;LED Indicator Status : Blue, Red;Battery:Recharge
Specifications 1.High quality bluetooth headphone 2.Bluetooth V3.0 +EDR 3.Can link to mobile phone ,laptop,tablet...all bluetooth devices Hot sell Bluetooth 2ch stereo audio Headset BH23 Feature : 1. Bluetooth stereo headset lets you listen to music or phone call wirelessly . 2. High-quality speakers deliver crisp,rich sound . 3. Accept incoming calls or toggle between tracks with the touch of a button . 4. Kightweight ,coomfortable design for all-day listening . 5. Compatible with bluetooth enabled devices ,such as iphone ,ipad ,most computers ,cellphones . SpecificationBluetooth specification: V3.0+EDRBluetooth profiles supported: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class 2Rechargeable 230 mAH Li-polymer batteryTalk time: Up to 11 hoursMusic playing time: Up to 10 hoursStandby time: Up to 250 hoursCharging time: About 2.5 hoursCharge in
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
Brand Name: VCOM Model Number: DE703 Style: Headband Communication: Wireless Connectors: USB Use: listen to music, moblie phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: White or customised Accessories: usb charger Stand-by time: 300 hours Talk time: 8hours Range of wireless connection: 10 meters Transmitting power: Glass2 Operating frequency range: 2.40GHz-2.48GHz Packaging & Delivery Packaging Detail: Colorful box or blister . OEM is available Delivery Detail: 25-30 days after reciving the deposit Specifications Fashionable Wireless Stereo Bluetooth Headphone 1.Fashionable design 2.Stereo, great timbre 3.Low price 4.OEM: available New Design Fashionable Folded Wireless Stereo Bluetooth Headphone &nbs
Brand Name: Ailipu Model Number: HP-104 Style: Headband Communication: Wireless Connectors: 3.5mm Use: mobilephone and bluetooth media player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: attractive color optional Packaging & Delivery Packaging Detail: elegant gift box Delivery Detail: within 25days Specifications Modern design,comfortable to wear Hands free function Attractive appearnce High stereo sound quality Most favorable price Selling points:1 Modern design ,comfortable to wear with great popularity among the young adults 2 High stereo sound quality 3 Convenient function buttons brings more music enjoyment 4 Most favorable price 5 Two modes :bluetooth ,3.5audio input Specifications:Frequency response :20-20kHzSNR :over 85dB Power supply :3.5V-4.2V /60mA Working time :8-10 hours Output power : 80mWDriver Unit: Φ 45 mm*2Impedance :32 Ω Input interface :3.5mm plugBuilt-in microphone
Specifications bluetooth headset 1. perfectly fit for phone5 2. Newest Special Design 3. factory price 4.with Remote and Mic bluetooth headset for sale a brand new seat of generic white earbuds with microphone and volume control compatible with for Apple devices. Features: Hands-free operation of for iPhone, iPod, iPad, and shuffleVolume adjustment + and - buttonsMulti-function button - control music playback, answer and end calls, pause music, skip to the next song, etcUses a standard 3.5mm headphone jackAudio is supported by all devices that use a 3.5mm headphone jack, and all for iPod, foriPhone/iPad models - including for iPhone 5/iPad 4/ iPad miniThe remote and mic are supported by the for iPod Nano (5th gen and later),for iPod classic (120GB/160GB)/iPod Touch (3rd gen and later)/ iPhone 3GS/iPhone 4/ iPhone 4S, and for iPad 1 &2 This auction includes: 1x Brand new set of white earbuds with mic and remote in bulk packagingwithout th
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: MQIY,SIOMY,OEM Model Number: OY-BT836 Style: Headband,blue tooth Communication: Wireless Connectors: wireless, blue tooth Use: Portable Media Player,player,computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: multi Packaging & Delivery Packaging Detail: unit tray+blister packing+polybag /window color box. 40pcs/ctn (double corrugated export master carton) Delivery Detail: 15-20 days after deposit Specifications bluetooth headphones foldable design for comfortable wearing quality certificate sound effect high reasonalbe price bluetooth headphone OEM/OEM serviceown design to meet marketdifferent color for aesthetics optionfoldable to comfort wearinghigh quality to relaxing pressuremusic to easing feelingquality CE approval andEnviroment green ROHS material no harm to health Speaker parameter: Speaker diameter: φ40mm &nb
Specifications Hotest Bluetooth Headphone wireless stereo bluetooth headset;Bluetooth specification v3.0+EDR class23;Rechargeable battery. Arhythm-003 FeaturesBatteryRechargeable 520mAh lithium batteryMaterailPlasticWeight138gTalk time24 HoursStand-by time30 DaysCharging time6 HoursDesignPortable foldable;scaleable Distance8-10 MetersFrequency range2.40GHz-2.48GHzTransmitting powerGlass2Bluetooth versionV3.0+EDRDevices SupportedAll digital devices with bluetooth functionPrinting Options:Silkscreen&Digital printing,Water transfer printingPacking DetailsDemension85mm*85mmPackaging size186mm*78mm*210mm Feature:Most advanced buletooth technology, enjoy music wirelessly with Bluetooth stereo enabled deviceDelicate, Bluetooth stereo enabled deviceBuild-in high-quality 40mm mylar loudspeaker for audiophile grade sound qualityEnjoy stereo music wirelessly on QQ, MSN, SKYPE or on mobile phoneRemote function:play, stop, previous/next, volume+/-Specification:Bluetooth specification V3.0+EDR
Specifications universal stereo bluetooth headphone with mic 1. MOQ: 50pcs 2. compatible with any bluetooth device 3. CE,FCC,RoHs and BQB Latest universal stereo bluetooth headphone with mic headset earphone handsfree for music and phone call 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 Authentication:You can be assured that our products are accredited by FCC, RoHS and CE certification. OEM is welcomed. Packing items &Delivery: 1 SETBluetooth Headset1 PCUSB1
Brand Name: KS Model Number: kse-39 Style: Ear Hook Communication: Wired Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: 1000pcs per ploy bag or as your request. Delivery Detail: About 5-7 days after receiving your payment Specifications 2013 popular best ear plug headphones 1.silicone material 2.usage:headphone earphone 3.factory price cheaply new design ear plug stretchers 1.silicone material 2.usage:headphone earphone 3.factory price 4.comfortable to ear Specification: Material:Silicone Color:Black and yellow,or made as thepantone color you give Usage: For most typle brand headphone earphone.Blueteeth Size:Three sizes,Large,Medium,Small. Hardness:60 and 70 hardness or made as your request. Features: Eco-friendly,anti-dust, good elasticity,recycling,durable,tear-resistance. Test:FDA,LFGB,SGS,ROHS(The text will
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
Model Number: BH3034 Style: Headband Communication: Wireless Connectors: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Color: Black,Red, White Transmission Distance: 10M Standby time: 325 H Talking time: 35 H Charging time (maximum):: 1-2 H Bluetooth Version: 3.0+EDR Use for: Mobile Phone, PC bluetooth device Packaging & Delivery Packaging Detail: Blister / Retail box. Delivery Detail: 3-15days after deposit Specifications 1.With HI-FI speakers, super bass. 2.with SD card slot. 3.Bluetooth Version3.0 Features: With a 8 t Bluetooth Stereo Headset you can: 1) Built-in two Bass speakers, 3D speaker combination, 2 Subwoofer speakers , enjoy your HI-FI music. 2) With Micro SD slot , enjoy music everywhere.3) Control the music player and manage your calls with the media keys 4) Save time with fast charging 5) with 3.5mm audio cable, to connect this bluetoot
Specifications 1Wireless Mobile Bluetooth Headset 2Effective distance10M 3Low power comsumption 4Good quality and low price top seller Wireless Bluetooth Handsfree Headset for Mobile Phone * Hands-free* Super mini size* Easy to use* Universal compatibility* Reversible ear hook Bluetooth Versionall mobileOperating Distance10mBatteryBuilt-in rechargeableCharging PlugA/C chargerDimensions36mm*16mm*20mmHeadset WeightAround 5gVOIPSupportMultipoint TechnologyNoMusic StreamingNoMulti-function Button On/OffYesStandard Bluetooth Features*YesStandby Time (hrs)100Supported ProfilesHeadset Talk Time (hrs)4In the Box1 headset1 AC charger1 Earhook1 User manualOther SpecificationsCompatible with computer/laptop and Bluetooth enabled mobile phone.Easy and ideal for all day usage --- Super mini-light weight design, you may even forget to take it off when you go to bed!Removable earhook is perfect for either left or rig
Brand Name: dcr Model Number: B-06 Style: Headband Communication: Wireless Connectors: 3.5mm Use: DJ Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: black,white and red Main feature: Hottest Foldable High Quality Music Stereo Bluetooth Headphone Packaging & Delivery Packaging Detail: PE bag packing or according to customer's requirment Delivery Detail: within two days after confrim the paypent Specifications Hottest Foldable High Quality Bluetooth Headphone 1. wireless bluetooth earphone 2. Music heaphone with High-Fidelity, Hottest Foldable High Quality Bluetooth HeadphoneHigh performance Headphones with a sleek modern design. Precision engineered with the most advanced headphone technologies and materials to reveal the full sound of your digital music. All metal housings tuned for accurate music reproduction and amazing bass. Specifications : 1.Bluetooth stereo headset lets you listen to music or phone calls wirelessly2.Hig
Brand Name: OEM Model Number: BH99B Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: pink price: cheap bluetooth headphone: bluetooth headphone Bluetooth Headset V2.0 EDR: Bluetooth Headset V2.0 EDR Long talking time: Long talking time Cheaper price: Cheaper price Talking time: Up to 4 hrs Accessories: Retail box user manual: user manual USB Cable ear hook: USB Cable ear hook Packaging & Delivery Packaging Detail: - Box: standard or customization - User Manual x1 - USB Cable x 1 - Charger: car charger or Travel charger Delivery Detail: 1-3 woking days Specifications 1)bluetooth headphone 2)Bluetooth Headset V2.0 EDR 3)Long talking time 4)Cheaper price 5)Talking time: Up to 4 hrs Product name : Bluetooth mono headsetBluetooth Headset V2.0 EDR, 10mTalking time: Up to 4 hrsAccessories: Retail box, user manual, USB Cable ear hook
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
Brand Name: OEM Model Number: FM-BT03 Style: In-Ear Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: Blister Package Delivery Detail: 2 weeks Specifications Bluetooth Headset 1.Noice & Echo cancellation 2.8 Hours Talking Time 3.10 Meter distance 4.180 Hours Stand By Time Bluetooth Headset FM-BT03Noice & Echo cancellation, 8 Hours Talking Time, 10 Meter distance, 180 Hours Stand By Time Bluetooth specification: V2.0 versionBand: ISM 2.402-2.480GHz) RF output power: -6 ~ +4 dBm RF sensitivity:>-75dBm Effective distance: 10 MTalk time: 480 minutes Standby time: 180 hours Battery: Rechargeable lithium batteries Power Transmission: SBCMax200kbps, 48.000kHz, 16bit Quality specifications: mono Temperature range: -10 to 45 degrees Celsius Audio output: (RL = 32ohm) 2.5mW Audio range: 20 Hz ~ 22kHz Charging time: (2 ± 0.5) hours Configuration: Bluetooth head
Model Number: J9 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Color: Black, White Transmission Distance: 10M Standby time: 100 H Talking time: 4 H Charging time (maximum):: 2-3 H Packaging & Delivery Packaging Detail: Blister / Retail box. Delivery Detail: 3-15days after deposit Specifications -10 meters wireless range -Small and light bluetooth headset -Automatic cennecting function Features: With a Bluetooth Mono Headset J9 you can: 1) Enjoy high-quality sound streamed from your compatible phone 2) Stay comfortably in style with over the ear design and an easygoing neckband 3) Control the music player and manage your calls with the media keys 4) Save time with fast charging Technical Information: Chip: ISSC (A2DP)Supporting edition:2.0Frequency range:2.4GHz-2.48GHzTransmission power:class2Transmission distance:10MOperat
Specifications Bluetooth Headset 1.foldable design 2.high-fidelity 3.comfortable&portable 4.extremely competitive price 2013 best wireless bluetooth headphone/headset Product configurationHeadset : 1PCGift box: 1 PC Special features: 1,Bluetooth version 2.1+EDR Class II2,Transmission distance 10M3,Folding and retractable design,easy to take with you.4,Enjoy stereo music wirelessly from bluetooth 2.1+EDR Class II devices.5,Embedded microphone for hand-free conversation from bluetooth-enabled cell phones6,When receives an incoming call,the music will pause automatically.7,Easy controls for mute ,call transfer,voice dial and call answer/end/reject.8,Support remote control of play/pause,previous/next track,volume up and volume down.9,Automatically connect to the last connected bluetooth device.10,Micro USB connector charging via AC charger or computer USB port.11,3.5mm Line in jack allows headset to work without battery. Quality control From raw ma