Specifications Bluetooth headphone,originality bluetooth headphone,bluetooth headphone manufacturers&suppliers&exporters Bluetooth headphone,originality bluetooth headphone,bluetooth headphone manufacturers&suppliers&exporters Static Current: Under 10UAWorking Current:Under 30mABluetooth Protocol:A2DP,AVRCP,HFP,HSPWorking Voltage:4.2VCharge Current:30mA---150mA(Red LED light up)Max Headset Output Power:L 20mw R 20mwBattery Capacity:30m AH 3.7vCharge Time:3 hoursWorking Time:Above 8 hoursBattery Life span:≥300 times rechargeableAvailable Distance:≥10M (Open and no block)Input Voltage:DC 5V/200mA (Can be connected to USB port)Standby Time:Above 30 hoursOutput Power:Class 2Support Bluetooth 2.1 version +EDRKey Features: Built-in Stereo Power Amplifier Speaker,Volume +/-,Prev/Next,Pause/Play,Redial,Voice Dial,Call Rejection etc.N.W: 250g G.W: 350gGift Box Size: 22(L)X8(W)X23(H)cmCartton Size: 46(L)X42(W) X48(H)cm 19kg/20pcs/Carton
Model Number: C30 Style: In-Ear Communication: Wireless Connectors: Bluetooth Use: Bluetooth-enabled mobile phones, tat computers, notebook computers Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth Specification: V2.0 + EDR Bluetooth version: V2.0, compatible with V1.1, V1.2, V2.0 Support mode: Headset, Headfree Battery indicator: high-performance lithium polymer battery Bluetooth Power: Class 2 Bluetooth frequency: 2.4GHz Life time: about 4 hours Standby time: about 120 hours Support models: Bluetooth-enabled mobile phones, tat computers, notebook computers Specifications Multifunction Bluetooth headset support mobile phones, tablet PCs, laptops Bluetooth 2.0 protocol, simple secure pairing. Bluetooth Specification: V2.0Bluetooth version: V2.0, compatible with V1.1, V1.2, V2.0Support mode: Headset, HeadfreeBattery indicator: high-performance lithium polymer batteryBluetooth Power: Class 2 Bluetooth frequency: 2.4GHzLife time: about 4 hours S
Specifications Adavantages: Providing you fresh enjoying of beautiful sound.Its elegant and comfortable design makes it ideal for you. Newest bluetooth earphones with mic and volume control Specification:
Brand Name: OEM Model Number: SL-9220 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: black,grey,silver Version: Bluetooth V3.0+EDR Talking time: 3-4 Hours Standby time: â¥100H Effective distance: 10M Machine size: 56*14*6 mm Machine weight: 5.2g Packaging & Delivery Packaging Detail: Color box Delivery Detail: 1000sets/3 days; 3000sets/5 days;5000sets/7 days Specifications Fashion design Wireless Mono Bluetooth Headset Version:Bluetooth V3.0+EDR Effective distance:10M Original import ISSC chip Fashion design Wireless Mono Bluetooth Headset For All Cell Phone Universal Introductions features:low power comsumption 2.Receive/hang up/reject a call,voice dialing,tail number redial function! Specifications1. Version:Bluetooth V3.0+EDR 2. Talking time:3-4H3. Standby time:≥100H4. Effective distance:10M5. Charging tine:2-3H6. DC:5V 7. Machine siz
Brand Name: delightbuy Model Number: DB-BT003 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: black Packaging & Delivery Packaging Detail: color box Delivery Detail: 1-5 days Specifications Universal Bluetooth supported cell phones 3G Wireless Bluetooth Headset K3 Black ught notesAttributeGoods Tagfor Apple iPhone 4S 4 4G 3GS 3G Wireless Bluetooth Headset K3 BlackFeatures: 100% Brand new Universal compatible with Bluetooth supported cell phones Dimension: 5.3cm X 1.3cm X 0.6cm Light weight: 6 gram makes you forget even you are wearing it HSP & HFP supported Crystal clear communication Bluetooth version: V2.0, V2.1 Freq
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.Headset with PU foam 2.3.5mm stereo jack 3.with CE and ROHS certifications 4.Colors it is available 5.Blister/color boxes Superior quality 4.0v bluetooth headphones with CE/ROHS from China factory with the best price About us: Shenzhen Dayixin Technology Co., Ltd, established in 2007, specialized in developing and manufacturing various types of headphones, earphones, mini speakers and Microphones. Our office is located in Songgang Town of Shenzhen with convenient transportation and fast market information, we provide high-quality and competitive price products. Our Main lines: wireless headphones, Bluetooth Headsets, Stereo Headphones, computer headphones, mp3 earphones, mobile earphones, retractable earphones, mini speakers, bag speakersand Microphones ect... Product showing: Specifications: Bluetooth versionBluetooth V3.0+CSRSUPPORT: HSP, HFP, A2DP and AVRCPKeyVolume up/downSong last/nextMFB pair/pick/hang/r
Brand Name: YOUNGREEN OR OEM Model Number: BTS-0501N Style: Neckband Communication: Wireless Connectors: USB Use: Mobilephone,Laptop etc Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Name: Neckband Bluetooth Headphone Certification of Bluetooth Headset: CE / ROHS/BQB/FCC Bluetooth Protocol: A2DP/AVRCP/HFP/HSP Bluetooth version: V2.1+EDR Color: Red,Blue,Pink,Black, Purple(Color and logo customized) Talking time of bluetooth headsets: More than 5 hours Standby time of bluetooth headsets: More than 30 hours bluetooth headsetsransmission Distance: About 10M Dimensions: 15*10*5.5cm(For gift box) Approx Weight of Bluetooth Headset: 44g Packaging & Delivery Packaging Detail: Gift Box Packing For Neckband Bluetooth Headphone - Gift Box Size: 15*10*5.5cm - Quantity of foldable neckband headset: 40Pcs/Carton - N. W.: 44G G. W.: 175G - Carton size: 39.5*29*32cm -Colors:Red,Blue,Pink,Black, Purple(Color and logo customized) Delivery Detail:
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 Bluetooth Headset for iPhone 4G (4-Hour Talk Time/100-Hour Standby) 1 Compatible with iPhone 4 2 Long standby 3 Long call Bluetooth Headset for iPhone 4G (4-Hour Talk Time/100-Hour Standby ) Main Feature:Compatible with iPhone 4 Long standby Long call Very Clear through the noiseSpecification: Bluetooth standard: V2.1, class 2 Supported profiles: Headset, Hands-free Built-in rechargeable Li-ion battery Operation range: Within 10 meters Talking time: up to 4 hours Standby time: up to 100 hours Charging time: up to 1.5 hours Package weight: 72g Package size: 18*9.5*4.1cmPackage: 1 x Bluetooth headset 1 x 110V~240V AC charger 1 x Chinese/English manual 1 x Ear cli
Specifications 2013 new bluetooth headphone 1.One key to answer the phone 2.with battery 3.10m transmission distance 2013 new bluetooth headphone Specifications Low power comsumption;Receiving/hanging up/rejecting phonecall/voice dialing/redialing. bluetooth headphone Features&PricesVersionBluetooth V3.0+EDRTalking time3-4HCharging Voltage5VStandby time≥100HCharging time2-3HEffective distance10MMachine size14.5*8*31 mmQuantityUnit PriceMachine weight5.2g50pcsContact usPacking size102*131*47 mm1KAvailable colorBlack3KComplete set weight76.6g5KProduct featuresLow power comsumption;Receiving/hanging up/rejecting phonecall/voice dialing/redialingOriginal imported ISSC chip
Brand Name: OEM Model Number: BS020RD Style: In-Ear Communication: Wireless Connectors: micro USB,USB, micro usb Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box packages OEM package Delivery Detail: 20 Days Specifications 1 Wireless Stereo Bluetooth Headphones 2 Dual-Mic & Noise Filtering 3 sports wireless headphone 4 CE, FCC, RoHS appro Wireless Stereo Bluetooth Headphones BS020RDMain Features1 Dual-Mic & Noise Filtering, more clear sound2 For Mono-Stereo Use, more flexible options3 Aluminium Housing, to be noble4 Super-Slim Design, more fashion 5 With In-ear Earpiece, more popular and comfortable6 BLUETOOTH V3.0, higher version, higher tech.7 MICRO USB Universal Charging, future standardization8 CE, FCC, RoHS approval9 Supports iPhone,iPad,iPod,MSN,skype. Product SpecificationsBluetooth Specification: V3.0Bluetooth P
Specifications *Bluetooth Headset With Microphone *Frequency:2.4GHz-2.48GHz *Music time: Bluetooth 10h MP3 8h *Standby time: Up to 26h Newest cheap stereo bluetooth headset *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26h Newest Bluetooth Headset With Microphone DT120s Specificaions:*Bluetooth Headset For Both Ears *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26Technical parameter and specification:Frequency range:2.4GHz-2.48GHzTransmission power: Class 2Operating voltage: 3.6vOperating current: Bluetooth≤25mA Mp3≤45mAStandby current:≤0.5mATramission distance: Max.20M(open space)\Headset size: 160*125*70mmMusic time: Bluetooth 10Hours MP3 8HoursCharging time: 2-3 HoursTalking time: Up to 12 HoursStandby time: Up to 260 HoursGross Weight: 0.5KGPackage Size:18*17*7cm
Specifications 1.origin design 2.Hi-End sound quality 3.CE,FCC,RoHS passed 4.OEM highly welcome Blue headphone for MP3,IPAD,IPOD,PHONES1).Speaker Unit: 40mm2).Impedance: 32ohms3).Sensitivity: 110dB+/-3dB4).Frequency Response: 20Hz-20KHz5).Wire: 110cm6).Plug: Silicon7).Function: stereo super-bass, without volume control Notes:1).Keep away from fire.2).Keep away from sharp knife, fork, and edge tools. **Classic design & amazing listening experience**-incredible punchy-bass-pure and clear treble quality-inconceivable extensive sound stage image player metal earphone Metallic finish in-ear silicon plug earphone for MP3,IPAD,IPOD,PHONES
Brand Name: wireless bluetooth headphones for laptop Model Number: WH-200 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black or at your your request. Item: Stereo Bluetooth Headsets Speaker drivers: 40mm Frequency response: 20Hz-20KHz Sensitivity: 110dB Maximum Output: 115dB Operating Frequency Range: 2.4GHz-2.48GHz Bluetooth transmission distance: 10 meters Bluetooth compliant: V3.0+EDR Skype: wisort-sales7 Packaging & Delivery Packaging Detail: Color paper box for wireless bluetooth headphones for laptop. Delivery Detail: 15~20 working days after receiving payment Specifications 1,wireless bluetooth headphones for laptop 2,supports microphone 3,Noise cancelling headphone 4,Crystal-clear highs 2013 latest wireless bluetooth headphones for laptop Headset for iPhone iPad MP3 laptops computersThe Latest Stereo Headphone With Crystal Clear Highs Prod
Brand Name: ODM OEM Model Number: HP-042 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black Packaging & Delivery Packaging Detail: color window box Delivery Detail: within 15 days Specifications Bluetooth Headphone Bluetooth Headphone 1,built-in 60mAh Li-polyner Battery.2,Charging Time:1.5 hours3,Talk time:4 hours4,Standby time:80 hours5,different colors are optional6,CE approval
Specifications 2012 New Smallest Bluetooth Headsets/Bluetooth Headset Models BSH18 Stand-by:75hrs Talking Time:4hrs 2012 New Smallest Bluetooth Headsets/Bluetooth Headset Models BSH18 Size: 39.5X17 X11 mm Weight:18g Bluetooth Standard: CSRV2.0 version, banwidth 3Mbps Wireless Frequency Range: Global-used 2.4GHz ISM Frequency Transmission Range:10M Battery: Li-polymer 75mAh Stand-by:75hrs Holding Time:4hrs Color:Black Support blue tooth: Receive/Reject/End a call, Voice dial, Last number redial , Mute Function, Volume Adjustment, Musical selection.
Specifications 2013 High-End Wireless Stereo Bluetooth Headset Headphone for Iphone for Samsung for HTC, Bluetooth V3.0+EDR, A2DP Bluedio E9 2013 High-End Wireless Stereo Bluetooth Headset Headphone for Iphone for Samsung for HTC, Bluetooth V3.0+EDR, A2DP Bluedio E9 (Russia customer,when you put order ,please put in your full name,thanks very much!) Victorious return of upgrade version--E9+, Bluetooth version 3.0 from Broadcom, the U.S famous brand comes with voice command, say a word to answer or reject your call, help to have a safety drive.
Specifications fashionable and simple design foldable design,easy to take away. Bluetooth Chip: CSR 2.1Bluetooth Profile: A2DP,AVRCPOperation Distance: up to 10 MRechargeable lithium ion battery: 3.7V 180mAhPlayback time: 7-8 HoursCharging time: 2-3 HoursFrequency Response: 50HZ-20KHZS/N Ratio: >=95dBInput Sensitivity: 600mv RMSDistortion: <=1.0% Battery Capacity 180mAhBattery Voltage 3.7VUSB input Voltage 5VPlayback time 8 hours Compatibility Including: -Apple IOS 4.0 version above(iPhone 5 & 4S & 4 & 3GS)(New iPad & iPad2 &iPad)(iPod Touch 4 ) -Nokia Symbian S60 (V3.0, 3.1 or 3.2) OS -Windows Mobile (6.0 and later) OS Current we use Gift color box. Pls email us for details and packing liOrder Qty over 3,000 pcs. We can customize your packaging.Pls contact us to set the details Our R&D team can meet your specific function requests of the products. So pls let us know your ideasWe also like to introduce our ne
Specifications Bluetooth Headset 1.foldable design 2.high-fidelity 3.comfortable&portable 4.extremely competitive price Bluetooth Headset Product Configurationheadset: 1pcgift box: 1pc Special features1. 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 hands-free conversation from Bluetooth-enabled cell phones.6.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
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
Specifications good quality, cheap, quick delivery time used for mobilephone&PS3 manufacturer offer Detailed Product Description1.Best selling mono wireless headset 2.Built-in rechargeable battery 3.Energy saving 4.Distinctly superior Features of Wireless headset: 1.Wireless headset with built-in rechargeable battery 2.Wireless headset,suitable for different bluetooth mobile phones 3.Wireless mono call center headset, low end and long talk time 4.Wireless headset 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 listen to MP3 from cellphone 9.Talking time:up to 3H,Standby time:about 75H 10.CE,FCC,RoHS approval Product Specification: * Talk time: Up to 3 hours t
Specifications --Life like sound --Noise cancelling design studio wireless bluetooth headphone Headphone type:Studio wireless bluetooth headphoneAdjust method:touch sensitive buttonFunctions:bluetooth audio input, bluetooth handsfree, Mp3, LINE INPower supply:DC5V/0.5A(USB), Built-in lithium battery 150mAhRated power:2.2WS/N: >80dBS/N: <0.5%@(1KHz)Frequency respones: 90Hz-20kHz Audio connector: 3.5mmColor:black, white, red, bluePlaying time: 4 hoursWeight: 135gOther charact: match easily with ipone, ipad. Inside with microphone with clear call. Features:Bluetooth wireless headphoneThe built-in microphone and call-forwarding functionRemote contro
Model Number: 75-07314-039 Style: In-Ear Communication: Wireless Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: black Talk time: 5 hours Standby time: 90 hours Transmission distance: 10M Specifications 1.Mini Cool Bluetooth Headphone 2.Black 3.Bluetooth V2.1 4.Talk time: 5 hours ProductMini Cool 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.Spec
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
Model Number: B60 Style: In-Ear,In-ear Use: Mobile Phone Function: Bluetooth Place of Origin: Fujian China (Mainland) Operation Range: 10 meters Color: Silver Usage: Mobile Phone Bluetooth Version: V2.0 Battery Capability: Support over 4 hrs talking Dimension: 110mm(L)*15.6mm(W)*10.6mm(H) Packaging & Delivery Packaging Detail: Customized package available. Regular packing: one in each box lined with thin plastic. Dimension of packing box: 146mm(L)*81mm(W)*40mm(H) Delivery Detail: 21 days for first order over 2K Specifications Bluetooth headphone are our Patented Products which work both as Bluetooth headset and Touch-pen for touch-pad. Bluetooth headphone are specially designed products of which we owned the patent.They creatively achieved the combination of Bluetooth Headsets and the mobile phone in technology, function and the correlativity, thus brought the users both fresh experience and simple operation.1. VersatilityThe Pen-shape Bluetooth Headset Series broke the trad
Brand Name: Esino Model Number: ES-SP-A005 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: earmuff bluetooth wireless headphone / stereo wireless headphone Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 3 working days Specifications bluetooth 2ch stereo audio headset RF Frequency Range:2.402-2.480GHZ,2.4G Rechargeable 380mAh Li-polymer Battery bluetooth 2ch stereo audio headset Specification: 1.Bluetooth specification: V2.1+EDR2.Bluetooth profiles supported: HSP, HFP, A2DP and AVRCP3.Operating distance: 10 meters Class II Rechargeable 380mAh Li-polymer Battery 4.Rechargeable 380 mAH Li-polymer battery5.Talk time: Up to 6 hours6.Music playing time: Up to 6 hours7.Standby time: Up to 100 hours8.Charging time: About 1.5 hours9.Charge input voltage: DC 5V10.Dimensions: L33.8*W15.7*H10mm11.Weight: 220 g
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 Bluetooth headset for iphone4 Metallic earphone for mobile phones Stereo Wireless Bluetooth headset for iphone4Specification* Bluetooth V2.1+EDR* Chipset: CSR BC05-Multimedia Single Chip* Support profiles: Headset, Handsfree, A2DP, AVRCP* Operation range: Class 2, 10 meters* Up to 9hrs talk time, 8hrs music time* Standby time: Up to 16 days* Weigh: 23g (light)* Size: 85mm(L)x72mm(W)X25.5mm(H)* Battery: 170mA rechargeable lithium batteryFunction* Switch on/off * Pairing* Answer/end / reject a call* Call redial, Voice dialing, call waiting* Mute,Volume adjustment* Transfer a call between mobile and headset* Seemlessly transfer between the call and music* Multi-pairing with up to 7 Bluetooth Devices
Model Number: SEA3GEA002 Style: Headband Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications good quality bluetooth headset