Specifications Sport Bluetooth Headphone Headset Red,Pink,Green,Grey,Blue CE ROHS Great Sound Performance,3 Years Warranty Fast Delivery Sport bluetooth headphone MiNi headset/ rechargeable MP3 headphone read SD card cordless headset rechargeable and wireless bluetooth function various used for mobile phone, SD card read, MP3 Product Feature Introduction: 1.Hi-fi card read headphone; 2.Support 16GB TF card music playing; 3.Neckband design with good appearance and fashion; 4.Hi-fi sound make you enjoy the wonderful music; 5.Neckband used PVC material. Tenacious durable and foldable, convenient to wear; 6.Earmuff used super soft sponge, wearing comfortably, although long wearing will feel good; 7.Built in battery can be used last hours. 8.Support operate system, windows98/SE/ME/2K/XP Vista MAC OS 9.2 and over; 9.USB jack to charge, using more convenient. Specification MP3 -Technical Parameter
Specifications High quality best price Hands-free headset 100% brand new best price Huge stock fast shipment Paypal acceptable Bluetooth Headset for iphone ipad ipod Product information: Bluetooth Specification v2.1+EDR class 2 The latest version of A2DP1.2 and AVRCP1.0 profiles supportSupports Bluetooth Headset and Hands free Profile(HFP 1.5)RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM bandRadio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBmFrequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1%,LED Indicator Status: Green, RedRechargeable 200mAh Li-Polymer BatteryMini 5 Pin USB Plug charging PortNominal charging time: about 3 hoursTalk time: Up to 4hoursStandby time: Up to 200 hoursOperating Temperature: -10 oC - 50oCStorage Temperature: -20 oC - 80oC Pictures: Trade term: MOQ: 100 Piece/Pieces negotiable Payment: T/T, WU, PayPal Shipping:
Specifications 1.Bluetooth headphones 2.Supports bluetooth 3.Echo and noise reduction technology 4.Excellent sound quality bluetooth HeadsetSpeaker size:40mmFrequency range:20-20,000HzSpeaker impedance:32 Ohm±15%Speaker sensitivity:105dB±3dBMicrophone impedance:2200 OhmMicrophone sensitivity:-58dB±2dBMaximum power:100mwStandard operating voltage:4.5VWire length:2.2 metres
Specifications Hi-Fi Bluetooth Headphones,Bluetooth Headphones 1. CSR chip 2. connect 2 phones 1 time 3. play music 4. work with iphone Multifunction Hi-Fi Bluetooth Headphones,Bluetooth Headphones with Mp3
Brand Name: MSphone Model Number: XSL-298 Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Material: ABS Color: White,black,red,yellow,blue,pink Transmission Scope: 10 meters Packaging & Delivery Packaging Detail: Gift Box. Delivery Detail: 5 days Specifications 1.Support all bluetooth mobile phones. 2.Volume control,noise-reducing,anti-radiation. 3.CE/RoHS approved. 4.OEM service. Use the steps1. Turn on the power: When using Bluetooth, press the function key until the blue lights and flashes.2. Pairing:A. Press the Bluetooth device function key, when there is a long bright blue light when you can match;B. Activate the phone Bluetooth function;C. Open the Bluetooth search function;D. receive search to MSphone model, chose the model, then the blue light flashes that pairing success (phone pairing password is: 0000, this Bluetooth device model: MSphone)3. Calls: phone calls, the phone still rings ring
Model Number: R-15 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: black/white/red *Bluetooth version: 2.1+EDR, Class II Bluetooth Profiles: HSP, HFP, A2DP and AVRCP Talk time&music playing time: up to 10hrs Standby time: up to 300 hrs Charging time: less than 3 hrs Battery capacity: 120 mAh Chipset: CSR Operation distance: 10 meters Weight: 106g Packaging & Delivery Packaging Detail: *Pcs/Ctn:20pcs/ctn *Ctn size:44*38*38cm *GW/NW:7.5kg/6.5kg *Q'ty/20':440 ctns; Q'ty/40': 940 ctns Delivery Detail: 20-30 days after order confirm Specifications *Bluetooth version 2.1+EDR, Class II *Bluetooth Profiles: HSP, HFP, A2DP and AVRCP *Talk time&music playing time: up to 10hrs 1, Support line in music from other devices (MP3, mobile phone, CD, computer) by accessory line in cable; 2, Bulit in battery, can work more than 12 hours. 3, Equalizer function with different s
Brand Name: chnlan Model Number: HS300 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Packaging & Delivery Packaging Detail: blister packing Delivery Detail: 3-4 days Specifications 1.Rapid charging. 2.Simplified pairing. 3.Automatic volume control. 4.Compatible for BlackBerry all models handsets. FOR BLACKBERRY HS300 BLUETOOTH HEADSET 1.Rapid charging.2.Simplified pairing.3.Automatic volume control.4.Compatible for BlackBerry all models handsets.5.Up to 4 hours standby time.6.120 mins talktime.7.10m range.8.Noise cancelling technology.9.Call answer.10.LED indicator.11.LED display.12.Volume adjust.13.Weight 8g More image:
Specifications HI-FI Bluetooth Stereo Headset 54hours talk time,1200hours Standby time,Blocks 4 times the external noise HI-FI Bluetooth Stereo Headset BH-M18 has more than 1200 hours long standby time and 54 hours of continuous use and Compatible with all bluetooth cell phones,it beautifully works in office.Enjoy fun of wireless via an bluetooth dongle ,it works well with SKYPE,MSN,and VoIP.Crystal clear sound can thoroughly release your hands to enjoy your work!
Brand Name: www.focal-deal.com Model Number: F-BH-051 Style: In-Ear Communication: Wireless Place of Origin: Guangdong China (Mainland) Warranty: 1 year Payment Methods: Western Union,Moneygram,Paypal,Escrow Packaging & Delivery Packaging Detail: Retail Package Delivery Detail: In 1-3 workdays Specifications 1.Fashion Design 2.Fast Delivery 3.Tested before Shipping 4.Factory Price,no MOQ 5.Nice Sale Service High Quality Fashion Style Mini Portable Bluetooth Headset Headphone Specifications Compatible withUniversalTypeBluetooth HeadsetsPart TypeDIY ToolsFeaturesOtherColorBlack, Purple, Assorted ColorsDimensions (cm)2.7×2.5×1.5Weight (kg)0.006
Specifications Bluetooth Headset for iPhone 5; High SNR; Hidden omni-directional Mircrophone; No wire,no transmitter,no software,no setup. High SNR Bluetooth Headset for iPhone 5 Sepecification Bluetooth 2.1 wireless transmission protocol Transmission distance and range(10m, 360°) High SNR Bluetooth audio connection No wire,no transmitter,no software,no setup, it is easy and fast. 5: Automatic Switch-over between calls and musicHidden omni-directional Mircrophone 7: Low power indicaterAdjustable headband and foldedWorking duration:15h,charging duration:4hHeadset Spec.: frequency response:20-20KHz,SRN:85dB,working Voltage:3.7V,current:30mA speaker size:Φ40mmMicrophone Spec.:100Hz~10kHz&SRN≥55dB&Sensitivity:-42dB
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
Specifications Portable headphone, wireless headphones, bluetooth headphone 1.Bluetooth 3.0+EDR 2.Hands-free call 3.Portable, foldable Portable headphone, wireless headphones, bluetooth headphone: About the speaker: This headset offers great sound, comfort and mobility. Easily make and receive phone calls with built-in microphone. Quickly control your music with play, stop, fast forward, rewind, and volume buttons. Never run out of power with battery meter on headset. Foldable, adjustable headband is both space saving and comfortable. One charge offers up to 11 hours of music and talk time. Features1, Bluetooth 3.0+EDR2, Capacity display function 3, Bluetooth make hand-free call4, 15 hours power range 5, Intelligent voice prompt 6, Portable design 7, Intelligent voice prompt 8, Perfect stereo electrical design SPEAKER SIZE30MMSPEAKER IMPEDANCE32±15% SPEAKER FREQUENCY RANGE20~20KHzOUTPUT S.P.L93±3db*20mw/30mm
Specifications Main functiCon:When listening to the music,it can change to automatically when a call come. Product description : HD Voice Stereo Bluetooth headset 1.Product Specification:V2.0+EDR 2.Support profiles:Headset,handfree. 3.Talk time:Up to 10 hours 4.Power source:Built in Techargeable Li-ion battery 5.Main function:When listening to the music,it can change to automatically when a call come Technical support : HD Voice Stereo Bluetooth headsetBluetooth modelV2.0+EDRsupport agreementHeadset,handfreetalking time10 hoursstandby time180daysvalid distance10meterscharging timewithin 2hourscharging voltageDC 5vhead size49*15*7mmhead weight10gcolorany colorwhole suit weight9.2g
Specifications Sport bluetooth headphone 1.convenient for sports 2.Built in Microphone 3.Built-in lithium battery Sport bluetooth headphone Features:100% Brand New and High QualityEasy to usePortable back-hang design, convenient for sportsAllow you answer the phone anytime and anywhere Specifications:• Color: Black,red,blue,green• Buttons: Play/ Pause, VOL +, VO -, Call/ Receive• Charging time: 1-2 hours• Play time:3-4 hours• Standby time: 250 hours• Weight: About 32g• USB Cable Length: About 62 cm/ 24.8''• Mini USB IN• Bluetooth version:V1.2/V2.1• Audio range:2.402GHZ~2.480GHZ ISM Band• Built-in lithium battery (charged via 2.0 USB)• Built in Microphone for Handsfree Cell Phone use• Can answer calls from any phone• Listen to music for Nokia phones ONLY• Material: Plastic & Rubber• Quantity: 1 Set Please read the following tips when you are us
Model Number: MH547 Style: Headband Communication: Wireless Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: / Delivery Detail: 2-10 days after payment confirmed Specifications H-905i Stereo Bluetooth Headset Headphones: Noise cancelling microphones:8 For:Music/Mobile calls/VOIP calls with PC/Gaming BH-905i Stereo Bluetooth Headset Headphones - Active Noise Cancellation Features:Light weight and comfortable to wear Superb sound quality Great looking design Non-intrusive noise cancellation that works Wireless and wired connectivity options Built-in mic for handsfree phone calls Plenty of bundled adapters and cables Outstanding sound quality with 8 microphones providing up to 99% background noise cancellation Use BH-905i for:Music/Mobile calls/VOIP calls with PC/Gaming Specification: Background noise reduction:99% Noise cancelling microphones:8 Noice reduction microphones for sp
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 wireless bluetooth headphone 1.wireless bluetooth earphone 2.bluetooth earphone 3.the best price and high quality
Brand Name: LGL Model Number: BT-202 Style: In-Ear Communication: Wireless Connectors: USB Use: listen music and on/off call,promotional gifts Function: Bluetooth Place of Origin: Guangdong China (Mainland) Bluetooth type: Bluetooth 2.1 receiver MOQ: 500pcs Frequency Response: 20HZ--20KHZ Accessories: USB Cable for charge Bluetooth: 2.0/2.1 Transmission distance: 10 Meter Cetificates: CE&RoHS Sound time: 6H to 8H Packaging & Delivery Packaging Detail: plastic bag PVC bag gift box customized packing is available Delivery Detail: depend on QTY ,usually 25-35 days Specifications Earmuff bluetooth headphone 2013 high quality new design -Built in speaker -In choice of colors -Wholesale headset Earmuff bluetooth headphone 2013 high quality new designModel : BT-202 1.Blue/Red LED lndicating.2.Sound time: 6H to 8H.3.Bluetooth 2.0/2.14. CE&RoHS 5.Many Style offered Transmission distance : 10 Meter specification:-Bluetooth type : Bluetooth 2.1 receiver-Transmission distan
Brand Name: NEWOTECH Model Number: NEP0006 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: different choose Materials: plastic Services: OEM / ODM design Packaging & Delivery Packaging Detail: blister packing with colored inaly. Delivery Detail: 15~25 working days Specifications 1.mp3 headphones 2.good feeling 3.many colors for option 4.suitable for sport beat use 5.OEM service Advantages : Factory price high quality wireless headphones1.Fashion design, various colors;2. Competitive price and high quality for mass purchase.3. Customized package as you required.4. In-ear design for noise cancelling.5. Enjoy the natural melody.6. Your own design can be manufactured, too7. Never hurt ears.8. Sells to all over the world. (Main market: America, UK, Europe, Middle East) Specifications: *Unit Size:200x165x35mm &nb
Brand Name: BLUETIGER Model Number: SK-BH-M8 Style: Headband,Head Wearing Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Certification: BQB,FCC,CE,ROHS Packaging & Delivery Packaging Detail: blister card Delivery Detail: 1000pcs around 15 days Specifications HI-FI Computer Bluetooth Headphone Bluetooth Headset v2.0, A2DP Compatible, Over-the-Head Headband, Noise-Canceling Microphone, HI-FI Computer Bluetooth Headphone Designed for an active lifestyle ,BH-M8 HI-FI Bluetooth Stereo Headset combines the stylish design and reliable wireless technology in the ideal mini size units .It’s completely meet the requirement of fashion life . Features:1). Text to speech2). Multipoint Support; 2 Connections Simultaneously3). Build in CVC to eliminate noise and control echo very well and get clear speaking effect;4). Crystal clear sound with DSP5). Compatible with Bluetooth enabled device
Brand Name: bluetooth headset Model Number: coco pop phone Style: Headband Communication: Wired Connectors: 3.5mm Use: Aviation Function: Waterproof,Noise Cancelling Place of Origin: China (Mainland) Plugs type: 3.5 mm DC plug Cable length: 2.5m Function button: Volume control, answering/hanging up button, LED light Net Weight: Net Weight color: Blue/Red/purple/yellow/pink/green/orange/black/pearly white Material: ABS+Rubber paint coating Packaging: 260mm X 93mm X 75mm Gift box/Carton box/customized box Size: 215mm X 70mm X 60mm Certification: CE,ROHS,UL,FCC Packaging & Delivery Packaging Detail: Gift box/Carton box/Plastic box/color box/customized box. Delivery Detail: 3 to 5 days Specifications bluetooth headset 1.Anti-radiation coco phone 2.Cable length: 2.5m 3.Plugs: 3.5 mm DC plug 4.CE,FCC Anti-radiation receiver for iphone 3/4/4s/5, ipad, itouch, mac book, mobile phone, tablet pc and computer.coco pop phone : Anti-radiation coco phone
Specifications 1.Micro SD Card/TF Card slot 2.FM Radio 3.LCD Display 4.Wireless, sport-style 5.Portable folding headset Super bass sound quality phone call sports wireless headphone earphone mp3 player Selling Point:1.Micro SD Card/TF Card slot2.FM Radio3.LCD Display 4.Wireless, sport-style5.Portable folding headset FEATURES:1) SD/TF cards supportive2) Audio Format Support MP3/WAV/WMA3) Builded-in Rechargeable lithium battery4) Portable Folding headphone5) Integrated FM Radio6) Wired headphone7) Low Capacity Battery Indicator8) Fast Go and Fast Back function9) Memory channel FunctionSpecification:Transimitter1)System: Active Chip2)THD:<1%3)Radio Frequency Range:76-108MHz4)S/N:>90dB5)Charging Time:2.5HOURS6)Frequency Response:20-20KHz7)Headphone Current:300mA/H8)Using Enviromental Temperature:0°C-50°C
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
Brand Name: Listman Model Number: E018 Style: Headband Communication: Wireless Connectors: bluetooth Use: computer,mobile ,mp3,ipad Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black/white/yellow Packaging & Delivery Packaging Detail: Standard export package Delivery Detail: 7 Days Specifications 1.Headset in stereo sound. 2.High quality speaker 3.3..0 adapter 4.CE/ROHS/OEM Wireless bluetooth Headband Stereo Headphone /Stereo Headset /Earphone with microphone for ur computer,mobile .ipad,mp3/4 Specification: ¤ Frequency response range: 18Hz to 22kHz ¤ Driver unit: 10mm ¤ Impedance: 32Ω ¤ Sensitivity: 108+-3DB ¤ Weight:52 g ¤ Stereo plug size: 3.5mm Talk time: up to 18 hours Standby time: up to 250 hours Charging time: about 3 hours Bluetooth range: 10m &
Brand Name: OEM Model Number: BSH32 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Multi colors avaiable Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 7-10days Specifications Bluetooth headphone 1. Stereo, bluetooth v2.1+EDR, class 2 2. Support A2DP and AVRCP 3. Comfortable design Stereo bluetooth headphone: * Supports Bluetooth A2DP, AVRCP, and HS/HF profiles * Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc * Noise signal ratio: 95Db, high quality stereo sound.* 3.5mm audio jack for your own favorite headphone * Features Software & CVC echo/noise cancellation for reducing noise* Remote controls on the headset allow you to play, skip and select you music track. * Up to 7.5 hours playback time* Bluetooth Specification v2.1+EDR class 2 * The latest version of A2DP1.2 and AVRCP1.0 profiles
Brand Name: Hysun Model Number: H1 Style: Headband Communication: Wireless Connectors: V2.1 Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Version: V2.1 Bluetooth range: 10M Talking time: Up to 10hours Standby time: Up to 50hours Charging time: 2.5hours Carrier frequency: 80Hz-20KHz Material: ABS+PVC Color: Black, white OEM service: Yes Packaging & Delivery Packaging Detail: PP polybag or according to customer's requirement Delivery Detail: 25-30 days after 30% TT received Specifications Best quality bluetooth headphone supplier, stereo bluetooth headset 1.Bluetooth V2.1+EDR 2.Top quality 3.Slim design 4.OEM Best quality bluetooth headphone supplier, stereo bluetooth headset Model No.: H1 Features: DescriptionBluetooth stereo headphoneDesign*Super Simple and fashionable appearance
Brand Name: HABALA Model Number: S-98 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) material: ABS+PETG supprt version: V3.0 standby time: 50 hours talking time: about 3 hours frequency: 2.402-2.480GHZ product weight: 7g color: blue/white/red/black Packaging & Delivery Packaging Detail: 1 pc with a giftbox, and 100 pcs packed into a carton Delivery Detail: 10-15 days after we receive the payment Specifications High quality bluetooth mono headset Voice-dialing Last number dialing Refusing incoming call Sport & Casual Style ODM and OEM are acceptableDelivery time : 10-15 days Payment terms : T/T. Western Union . Paypal We are professional and quality bluetooth headset manufacturer, our product with competitive price and good quality compared with other suppliers.Welcome to contact us : mobile: 0086-15816891864S
Specifications fashionable design stereo bluetooth headphone 1: high quality 2: competitive pricing 3,Bluetooth3.0 +Class2 fashionable design stereo bluetooth headphone :
Style: Neckband Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications BlueTooth headset BlueTooth headseti-mate: JAM, JAMin, JASJAR, K-JAM, PDA2, PDA2K, SP3, SP3i, SP5, SP5m LG: F2400, P7200, S5200, U8210, U8290, U8360, U8380, U880 Motorola: A1000, A780, A830, A835, A925, C390, E1000, E1070, E398, E550, E770v, L6, Main Features:Kit includes Headset, Travel Adapter, User Manual Sleek, behind-the-head style Compact 1.3 cm speakers help provide comfort and a snug fit in the ear Works with all compatible Bluetooth-enabled phones Stream music from a compatible Bluetooth-enabled stereo music phone or from a compatible Bluetooth-enabled MP3 player Long play time C up to six hours of play from a single charge Music mutes or pauses when calls come in and resumes once the call has ended Control music and calls from the headphones Water and sweat resistant Supports Bluetooth Advanced Audio Distribution (A2DP)
Brand Name: OEM Model Number: headset-1 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth Place of Origin: China (Mainland) Appearance design: white, purple, black Endurance: 8 hours warranty: 2 years warranty Packaging & Delivery Packaging Detail: Retail packing, Plastic Packing, Big Box, Custom Packing Delivery Detail: 2-5working days Specifications New fashion Bluetooth headset Frequency response range: 20-20000 hz The factory price, delivery on time 2 years warranty New fashion Bluetooth headset The main parametersProducts: moving coil headphonesWear mode: head typeFunction purpose: bluetooth headset, wireless headset, voice headphonesUnit diameter: 40 mmFrequency response range: 20-20000 hzEarphone plug: 3.5 mm plug Function parametersNoise reduction function: is (10-15 db)Bluetooth specification: supportBluetooth version: bluetooth 2.4 GHzTransmission range: 10-15 mCell types: lithium batteryBattery capacity: 400 mahEndurance: