Specifications 2012 New Smallest Bluetooth Headsets/Metal Case Bluetooth Headset of Best Price/Noise Cancelling Bluetooth Headset BH19 2012 New Smallest Bluetooth Headsets/Metal Case Bluetooth Headset of Best Price/Noise Cancelling Bluetooth Headset BH19 Size: 49.3X15.8 X6 mm Weight:9g Bluetooth Standard: CSRV2.1 version, banwidth 3Mbps Wireless Frequency Range: Global-used 2.4GHz ISM Frequency Transmission Range:10M Battery: Li-polymer 75mAh Stand-by:75hrs Holding Time:3hrs Color:Black Support blue tooth: Receive/Reject/End a call, Voice dial, Last number redial , Mute Function, Volume Adjustment.
Brand Name: QR Model Number: QR-C918 Style: Headband Communication: Wireless Connectors: USB Use: mobile phone, Laptop, PC, & PSP , Table etc. Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Blue Yellow Red Pink White Black Packaging & Delivery Packaging Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Delivery Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Specifications 2013 New-style Stereo Headset V3.0 Bluetooth Headphone 2013 New-style Stereo Headset V3.0 Bluetooth Headphone Specifications: 1)Bluetooth headphone lets you listen to music or take phone calls wirelessly2)High-quality speakers deliver crisp,rich sound.3)Accept incoming calls or toggle between tracks with the touch of a button4)Lightweight,comfortable design for all-day listening, headphone string retractable5)Compatible with bluetooth enabled devices,such as most computers, cellphones, For iPhone/iPad/iPo
Brand Name: HJ Model Number: BT388 Style: Headband Communication: Wireless Connectors: wireless bluetooth Use: all Bluetooth enabled phones, tables and laptop Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: black and red Packaging & Delivery Packaging Detail: Polybag or blister Delivery Detail: 25-30 days after order confirm Specifications 1.Stylish and modern design suits any attire 2..Compatible with all Bluetooth enabled phones, tables and laptop PRODUCT DETAILS: 1.Bluetooth version : V2.1+EDR2.Support profiles: HFP and HSP3.Operation range: 15 meters4.Talk time: About 5h .5.Standby time: About 36h6.Charge time: 4h7.Weight: 80g8.Battery type: Rechargeable lithium battery9.Functions: Answer/End/Reject/Transfer a call, Call waiting, Call redial, Voice dial, Mute FUNCTIONS: 1.Combines stylish design with modern technologyThe BT388 SoundWear Bluetooth Stereo Headset combines stylish design and modern technology designed with the music lover i
Specifications Hi-Fi Stereo Bluetooth Headphone BluetoothV3.0+EDR 200Hours Standby Time Rechargeable Battery Headband Folding Design 2013 New Design Hot Sale Bluetooth Headphone BT-988 Product Features* Hi-Fi Stereo sound quality* Portable light weight headband foldable design, easy operating* Strong anti-interference ability,high fidelity* Suitable for any mobile phone or pc with bluetooth functions*Colorful appearance design Specifications Audio Frequency Response40Hz~18KHz Output Power25dBmS/N≥90dBSpeaker2xØ30mm Operating Voltage DC 3.7V Operating Curret 25mA Carrier Frequency 2.4GHz GFSK Hold Time 15 Hours Music Playing 12 Hours Protocol Standard Bluetooth V3.0+EDR Standby Time 200 Hours Above Battery3.7V/320mAh rechargeable Li-ion battery Charging Time 2~3.5 Hours Operating Distance≤10mPackageblister+paper card BT-988
Specifications Bluetooth Headphone For PS3 1:High Capacity Lion Battery 2:Energy saving,6H Talk Time 3:Support AVRCP 4:Bluetooth 2.1+EDR Bluetooth Headphone For PS3 Video Game,Computer and Mobile Phone Feartures: CE,ROHS,FCC and BQB approvalBluetooth Version 2.1+EDRSupports AVRCP, HSP and HFPNoise Cancelling Function Bluetooth HeadphoneExtremely good quality,superior clear voiceErgonomic and Fashion designRemovable ear-hook fits either earBluetooth Handsfree Headset,compatible with most Bluetooth DevicesHigh Capacity&Rechargeable Lion BatteryExtremely Light:Only 7gAutomatic cennecting functionEnergy saving function,200% longer talk timHandsfree,answer/reject call and call the last coming NO.Voice Dialing,Re-dialing functionTechnical Paramiter: Frequency range:2.4GHz-2.48GHzTransmission power:class2Transmission distance:10MOperating voltage:3.6VOperating current:≤35mAStandby current:≤2mACharger power:Input 100~240V AC,Output 5V DCWorking temperature:-20°C~6
Specifications Bluetooth Headset 1.Charging time:1-2H 2.Talk time: About 1.5H 3.Standby time: About 60H Bluedio D13 Bluetooth Headset Black Features:1. Frequency rang: 2.4GHz-2.48GHz2. Transmission power: Class 23. Operating voltage: 3.6V4. Operating current: <=25mA5. Standby current: <=0.5mA6. Transmission distance: Max. 10m (open space)7. Charging time: 1H-2H8. Talk time: About 1.5H9. Standby time: About 60H Specifications:1. Dimensions: 2.60x0.57x0.79 inch / 6.6x1.46x2 cm2. Weight: 2.89 oz /82 g Package Includes:1 x Bluedio D13 Bluetooth Headset Black1 x Charger1 x Manual International Buyers – Please Note: * Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. * Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. * These ch
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
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 Universal Mobile phone Wireless Bluetooth Headset Version:Bluetooth V2.1/3.0+EDR Effective distance:10M Low power comsumption Universal Mobile phone Wireless Bluetooth Headset Earphone Headphone Introductions features:1.low power comsumption 2.Receive/hang up/reject a call,voice dialing,tail number redial function! . Specifications1. Version:Bluetooth V2.1/3.0+EDR 2. Talking time:3-4H3. Standby time:≥100H4. Effective distance:10M5. Charging tine:2-3H6. DC:5V 7. Machine size: 16*37*10 mm 8. Machine weight:6.4g9. Packing size: 100*160*40 mm 10.Complete set weight:67.0g11.Original imported ISSC chip (long-term warranty) Package included1.bluetooth handset2.ear hook3.user manual4.charger(ES/EU plug optional)5.Carton package Pictures
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 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 1.hot sell headphone. 2.high quality. 3.best price
Specifications New arrival FM radio MP3 Bluetooth Headphone, wireless headset i58 with card slot 1.high quality 2.resonable price 1.high quality. 2.best price. 3.after sale-service. New arrival FM radio MP3 Bluetooth Headphone, wireless headset i58 with card slot Specification: Multifunction Headphone bluetooth headset I58 .- Bluetooth headset with MP3 built in, FM radio, TF card support and Bluetooth wireless communication functions - Bluetooth version: Bluetooth V2.0 - Operation range: within 10 meters - Built-in MP3 player- FM range: 87~108MHz- External memory enlarge: TF card (Max 16GB) - Built-in rechargeable li-ion battery - Bluetooth standby time: about 200 hours - Charging time: about 3.5 hours Package included: - 1 * MP3 bluetooth headphone - 1 * AC220V power charger (EU plug) - 1 * 2.5mm to 3.5mm audio cable - 1 * USB Cable - 1 * Carrying pouch -About usShenzhen Light point technology CO,Ltd is a company specilized in compuer accesso
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 Certificate: ISO9001,SGS MOQ: 10000pcs 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 customzied 4,Color: as cutomized 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 c
Brand Name: no brand Style: Ear Hook Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: standard packing Delivery Detail: within 7 days upon receipt payment Specifications bluetooth handsfree/bluetooth earphone/bluetooth headphoneTalk Time:Up to 4 hours ,Standby Time:200 hours bluetooth handsfree/bluetooth earphone/bluetooth headphoneTalk Time:Up to 4 hours ,Standby Time:200 hours Charging time:2-3 hoursWork Range:3-15 metersWeight9gBlue Tooth Version:V1.2 Battery:Polymire BatteryColorBlack, WhiteDimension :38*16*6mmAccessoriesBluetooth headsets/ charger /manual
Brand Name: transway Model Number: CGSB845B Style: Headband Communication: Wireless Connectors: Other Use: Sports + Leisure Function: Bluetooth,Waterproof Place of Origin: China (Mainland) Color: Blue, Red, Green, Pink Specifications Bluetooth flexible headset Comfortable for Sports Noise Reduction Ear Plugs Water Resistant fashionable design stereo bluetooth headphone Description: Bluetooth flexible headset for sports and leisure. Flexible water resistant Bluetooth headset for sports or leisure. Who says Bluetooth headsets arent comfortable? This unique Bluetooth headset not only looks great, but its so comfortable youll forget you are wearing it! By doing a simple pairing with your Bluetooth capable cell phone, smart phone or PDA, you will be ready for an active day ahead and have easy access to all your calls. In addition, you can also easily pair it with a Bluetooth capable laptop/notebook computer, so feel free to wear it to talk on Skype all nig
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 1.hot sell headphone 2.high quality. 3.best price 4.best after-sale service. Delivery includes:headphonesRigid Toure CasesAnti-Microbial Clearning cloth1/8 to 1/4" adapter
Brand Name: OEM Model Number: JDD2 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Bluetooth specification: bluetooth V2.0 + EDR Support agreement: A2DP, Handsfree Transmission range: 3-5 m transmission Applicable models: all kinds of phone stereo: yes Standby time: 160 hours dual MIC noise reduction: yes warranty: 1 year Packaging & Delivery Packaging Detail: gift packing Delivery Detail: 1-3DAYS Specifications bluetooth headset bluetooth V2.0 + EDR 3-5 m transmission compatible all kinds of phones stereo:no bluetooth Model JDD2 Specification Bluetooth specification: bluetooth V2.0 + EDRFunction purpose: bluetooth headsetSupport agreement: A2DP, HandsfreeTransmission range: 3-5 m transmission frequency: 2.4 GHzApplicable models: all kinds of mainstream mobile phone modelsstereo:NoWeight: 9.8 gTime: 6 hoursStandby time: 160 hoursCell size: 401030Transmission power: class 2Product size: 4.5 * 1.5 * 1 comPacking
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 Wireless Bluetooth Headphone Raspuns in frecventa:2.4GHZ ISM BAND PC system:Win2000,win xp,win7,vista,10M Power:3.7V 380mAH Wireless Bluetooth Headphone
Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) BT version: V3.0+EDR Color: Coffee,Black,Blue standby: >70 hours Weight: 6g Conversation time: >2 Hours Delivery time: 1~3 days Package: safe dimension: 18*18*22mm Distance: 10M Warranty: 6 months Packaging & Delivery Packaging Detail: color box Delivery Detail: 1~3 days Specifications mini mono bluetooth headset/headphone,wireless bluetooth headset 1,smallest bluetooth handsfree 2,Shinning 3,light weight mini mono bluetooth headset/headphone,wireless bluetooth headset Detailed information: Products Namemini mono bluetooth headset/headphone,wireless headset Quality guarantee100%QC before packing and sendingColorCoffee,Black,Blue Custom made Accept OEM,ODMWelcome customer's color, design, logo, size etc.MOQ10pcsCapacity8000 pieces per wee
Brand Name: OEM Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Headset version: V3.0+EDR Support profiles: Headset,Hand-free, A2DP Operation Range: 10meters Battery: Rechargeable lithium Color: Black and White Packaging & Delivery Packaging Detail: 1.paper with color box packing 2.packing according to customer's requirement Delivery Detail: 1-3 days for sample order, 3-10 days for bulk order Specifications 1. CSR chip 2. connect 2 phones 1 time 3. play music 4. for iphone,for samsung etc. Stereo bluetooth headset with two phones Specifications: mobile phone stereo bluetooth headset 1. CSR chip 2. connect 2
Brand Name: OEM Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister Delivery Detail: 3-7working days Specifications MINI Handsfree Bluetooth Headset SpecificationBluetooth Profiles : HandsfreeBluetooth Version : V2.0Transmission Power : Class 2Transmission Range : 10 MetersTalk Time : 7 HoursStandby Time : 100 HoursPower Supply : Built in Rechargable Li-ion BatteryDimension : 25x20x11mmNet Weight : 8.5gWhat's in The Box : Bluetooth Headset , User Manual , AC Adapter
Brand Name: Ananda Model Number: DT120s Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Music time: Bluetooth 10Hours MP3 8Hours Frequency range: 2.4GHz-2.48GHz HSP V1.1: Support Transmission power: Class 2 Operating voltage: 3.6v Gross Weight: 0.5KG Charging time: 2-3hours Package Size: 18*17*7cm Color: Black Packaging & Delivery Packaging Detail: gift box Delivery Detail: with 24hours after payment Specifications *Bluetooth Headphone Best Price *Frequency:2.4GHz-2.48GHz *Music time: Bluetooth 10h MP3 8h *Standby time: Up to 26h Max.20M *Bluetooth Headphone of Best Price *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26h Good Quality Bluetooth Headphone of Best Price 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 ran
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
Brand Name: Feelymos Model Number: E1 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Version: Bluetooth V3.0 + EDR, A2DP IC: CSR BC6145 Color: Black/Red / Blue Battery: rechargeable lithium polymer Packaging & Delivery Packaging Detail: Retail package: 11.7*18.7*4.8cm 7pcs/carton : 38*22*13cm 28pcs/carton :38*46*28cm Delivery Detail: 3~5day Specifications 1)Super mini wireless bluetooth headset 2)Suports A2DP with high quality stereo function 3)Multi-connection,connect 2 phones ItemSpecificationVersionBluetooth V3.0+EDR,Hands-free,A2DPICCSR BC6145Talking time4hoursStandby time60hoursDimension72*22.5*15mmWeight8gOperation distancewithin 30FT(10m)Frequency range2.40-2.48GhzMusic playingabout 4hoursCharging timeabout 1.5hours Product features Special carbon fiber design( like diamond surface, ultra light and strong)Supports A2DP with high quality music playing funct
Specifications MP3 neckband headphone 1.FM radio and Campus Radio 2. Bluetooth support 3. 16G SD card 4. Hi-Fi sound 2013 mp3 player wireless bluetooth headphones for laptop Features :Specifications :1st: Hi-fi Bluetooth Card Read Headphone♥ Play high quality MP3 from TF cards 2nd:Lyrics Synchronous Display♥ Hi-Fi sound3rd:Beautiful packing and headphone♥ Rechargeable lithium battery inside4th:OLED Display Screen♥ Folding headphone5th:Support 16GB TF Play♥ Blue backlight with LCD track informationNewest Bluetooth Card Read Headset:♥ Line in & out functionModelMJ-368♥ Memory functionColorBlack,Grey,Blue,Pink♥Bluetooth V3.0+EDR, High Data Rate TransmittingStyleBluetooth MP3 Headphones♥To Support Campus RadioN.W12.9 KGS♥FM radio funciton G.W14 KGS♥ 8 Sounds Available,To Cater Different Music DemandCTN. Size61.5x43.5x35.5cm♥ Wearing ComfortablePacking60 pcs /C
Brand Name: OEM Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: according to your need Delivery Detail: 1~3 days Specifications bluetooth earphone,bluetooth headset,bluetooth headphone It's our best-selling bluetooth headset currently bluetooth earphone,bluetooth headset,bluetooth headphone1)Version 2.0, CSR chipset2)Up to 8 hours talk time and 150 hours standby 3)Operating distance: 10 meters (class 2)4)Charging time: Within 4 hours5)1-touch control to answer/end calls6)Enchanced audio performance7)3-way call conference, join 2 separate calls into conference with headset buttons
Specifications 1.New unique design !! 2.bluetooth stereo headphone noise cancelling 3. deep bass for DJ MODEL: JB-1002 Type: headsetWearing style: Headband Function: Bluetooth stereo NFCBluetooth specification: Bluetooth V4.0 + EDR Support Agreement: A2DP, AVRCP, Handsfree HeadsetTransmission range:10mTransmission frequency: 2.4GHzTransmission power: class 2Suitable for: all kinds of mainstream mobile phone modelsColor: red, black, white, blue, purple, green, etc. The main parametersSpeaker: 40mm diaFrequency range:20-20000HzImpedance: 32Ω Sensitivity: 105dBTotal Harmonic Distortion: ≤ 1%Operating voltage: 3.7V Operating Current: 20mANoise reduction featuresBluetooth function: supportCharging Interface: DC 2.5mmCable Access products: 3.5plugBattery Type: Li-on battery Battery Capacity: 240mAhCharging time: 2.5hours Working time: Up to 8 hours