Specifications 1.stereo headset 2.time of endurance:about 4hours 3.stand-by time:about 120hours Product features : 1.Bluetooth headset specification:V3.0+EDR 2.Bluetooth version: V3.0,compatible V1.1,V1.0,V1.2,V2.0 3.Support model: A2DP,Headset,Handfree 4.Data of battery: High performance lithium polymer battery 5.Transmission frequency:2.4GHZ 6.stereo headset7.time of endurance:about 4hours8.stand-by time:about 120hours 9.range of application:mobile phone with support bluetooth function,table pc,notebook would you like to know more about Bluetooth headset for other consumer electronics ,we will provide more for you, welcome to consult us....
Brand Name: Fordex Group Model Number: FG-00088711 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth Place of Origin: Guangdong China (Mainland) Type: Earphones Design: Sporty Packaging Items per Carton: 10 Pieces/Carton Package Measurements: 25X30X15 cm Gross Weight: 3.0 kg Gross Weight per Unit: 0.3 kg Package Size per Unit: 25X15X3 cm Package Type: Package Type: carton
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  
Brand Name: XJWD Model Number: HS1800 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth Version: V2.1+EDR Support: HSF,AVRCP,A2DP Talking time: up to 7hours Music time: up to 7 hours Standby time: up to 200 hours Available in: Windows IOS Android Color: Black\Blue\White\Red Warranty: 1 Year Accept: OEM Packaging & Delivery Packaging Detail: Packing details: color box & pvc packiing; Carton Size: 81.5*36*49.5cm; 30pcs in a carton; 20" : 6,000pcs. Delivery Detail: samples order: 3 working day; mass order: 28 working day Specifications 1.mini bluetooth headphones; 2.CSR Chips; 3.Sport earphone; 4.Extremly Competitive Price; 5.excelent audio quality Descripton:Wireless bluetooth headset HS1800 for Mobile phones- for excelent audio quality , great wearabbiliby and headband design, lets you lose yourself in the music knowing you won't miss a call. With a Blueto
Specifications Bluetooth headphone:Elegant, stylish, functional, comfortable, discrete, miniature, and super lightweight. 1) Bluetooth headphone.2) Elegant, stylish, functional, comfortable, discrete, miniature, and super lightweight.3) Wear it with or without the flexible earhook; wear it for a long period, or wear it with the included lanyard for convenience.4) Total mobility!5) Superior, cutting-edge sound quality!6) High performance Lithium battery, long talk & standby time.7) Automatically searchable, the latest Bluetooth technology.8) BQB certified. 9) Operaing distance:up to 10 meters. 10) Pack:plastic case.
Specifications 10m connection Built-in microphone and rechargeable Li-ion battery Key Specifications 1.Frequency response : 20 Hz – 20KHz 2.Bluetooth® : V2.1 + EDR 3.Transmission Mode : GFSK 4.Operating voltage : 3.7 V 5.Signal-to-noise ratio : > 80 dB 6.Channel separation : >30 dB 7.Distortion : <2% Feutures: 1. Pause the music & Play back automatically when receives an incoming call 2. Micro USB connector allows charging via AC power adaptor or computer USB por
Specifications Bluetooth Headset Super Tone Quality Lower price Exclusive private mode Your best Choice Bluetooth stereo headphone Bluetooth V3.0, class II 3.5mm audio cable+micro USB port wireless&wirled Bluetooth in one Feature : * Bluetooth V3.0, class II* Up to 15 meters in working distance (open space)* Bluetooth profiles: A2DP1.2/AVRCP1.0/HSP/HFP* up to 14 hours talk time* up to 11 hours music playback time* up to 6 days standby time* Voice recognition for true handsfree by saying 'Answer' to answer the call and 'Ignore' to reject the call.Voice prompt in 5 languages: English, Spanish, German, French, Chinese* Multipoint: Supports 2 phones connectionBattery meter on iPhone* Support 3.5mm line-in for use in case of out of power.* Support VOIP, connect with computer for online chat.* Vice dialing/Redialing* Product dimension: D4.0mm X 1.5mm* Weight: 147g packaging: Paper box: 1 X AC charger 1&
Brand Name: OEM Model Number: BSH02 Style: Neckband Connectors: USB Use: Mobile Phone Place of Origin: Guangdong China (Mainland) Function: Multimedia Usage: Mobile Phone Packaging & Delivery Packaging Detail: OEM box packing, Accessories: 1.Gift box; 2.User manual; 3.USB cable; 4.Earphone cable, 5.Power Charge Delivery Detail: Received payment for 5 days Specifications Bluetooth headphone,Clip-on style Stereo Bluetooth earphone, Compatible with any Bluetooth enabled mobile phone Bluetooth headphone / bluetooth headset Feature:1.> Clip-on style Stereo Bluetooth earphone; 2.> Radio performance: Class II, version 2.0 + EDR; 3.> Support A2DP and AVRCP; 4.> Coverage range: Aprox 10 meters( in open area); 5.> Four-direction button for VOL+, VOL-, previous, Next, Play, Pause6.> Superior noise suppression, echo elimination technology 7.> Talk time: 8 hours; / Standby time: 100 hours; / Charge time: 3 hours; 8.> Compatible with any B
Specifications 1. stereo Bluetooth headphones with Line in function 2. factory sell directly 3. with MIC, line-in Color black,white,red,silver Speaker 1.5inch 4Ω Bluetoothsupport Line insupport Colorful,fashion,stereo Bluetooth headphones with Line in function SpecificationBluetooth Headphone with Line-in function.1. V2.1 Bluetooth Function Stereo good sound, Distance: 10m2. Line-in Function,with Mic3. Built in Lithium battery 500MAH, 4. Charge time: 2hs, play time: 6hs.5. Output power: RMS 0.5W(0.25W*2) THD=10%6. Frequency Response: 150-18KHz7. Loud Speaker 1.5inch 4Ω8. Color: black,red,white,light blue9. Packing: 60pcs/ctn, Carton size: 66*36.5*35cm. N.W/G.W: 13.5kgs/14.7kgs
Specifications 1.Portable wireless music headphones for Phone 2.Answer and dial out phone convert automatically 3.Built-in high quality MIC
Specifications Bluetooth headphone v2.0,comatible with any bluetooth enabled mobile phones. 1) Bluetooth headphone.2) High capacity lion battery,200% longer talk time than normal bluetooth headsets.3) Bluetooth v2.0,compatibale with any bluetooth enabled mobile phones.4) Elegant, stylish, functional, comfortable, discrete, miniature, and super lightweight.5) Wear it with or without the flexible earhook; wear it for a long period, or wear it with the included lanyard for convenience.6) Total mobility!7) Superior, cutting-edge sound quality!8) High performance Lithium battery, long talk & standby time.9) Automatically searchable, the latest Bluetooth technology.10) BQB certified. 11) Operaing distance:up to 10 meters.12) Pack:plastic case.
Specifications 1. stereo headphone with bluetooth 2. bluetooth headphone with mp3 player 3. support 16GB TF card 4. sport style,easy to wear 2013 Hot Selling Sport Stereo Bluetooth Headphone with Microphone & FM Radio Specifications: 1. stereo earphone with bluetooth2. bluetooth earphone with mp3 player3. support 16GB TF card4. sport style, easy to wear MP3 + volume control.Bluetooth master keys.Key functionsoperatingsound state of the instructionsAccording to three seconds longer boot pairing blue light. LongBoot length by 2 seconds the blue lights flashLong by 3 seconds off the blue lights outClick to connect a short blue light flash According to the two short weight dial voice promptA&nb
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
Brand Name: SOAP Model Number: KN-BH05 Style: Neckband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) beanie color: black with design player color: red ,white ,blue,black Frequency response: 100 - 18000Hz bluetooth: 2.1 Momory: 2/4/8GB Power: Li - ion-rechargeable battery warranty: 12 months playing time: 8 h Name: beanie hat bluetooth headset Packaging & Delivery Packaging Detail: standard export packing, neutral packing Delivery Detail: 5-7 working day Specifications 1.Beanie bluetooth headphone/ wireless headset 2.Custom logo 3.CE ROHS PATENT 4.No MOQ small order 5. Bluetooth VS MP3 2013 Embroidery Woolen Beanie Hat headset / hat Bluetooth Headphone/beanie wireless headset player We are the First company design /customs beanie /Hat /Cap headphone.Beanie MP3 player earphone / headphone / headset Beanie Bluetooth player earphone / headphone / headset Beanie Hat long Line earphone
Brand Name: Gblue Model Number: G1 Style: Neckband Communication: Wireless Connectors: 2.0mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Black Chip: CSR Packaging & Delivery Packaging Detail: Blister PVC BOX Packing Delivery Detail: 15 working days Specifications Hottest Foldable High Quality Music Stereo Bluetooth Headset *Elegant Fashion Design *High Acoustic Fidelity *CE/RoHS/BQB/FCC Hottest Foldable High Quality Music Stereo Bluetooth Headset Specification: G3S is the most popular Stereo bluetooth headset with elegant fashion design, many colors available as well as the high quality. Bluetooth Version2.1 with EDROperating Distance10mBatteryBattery Built-in rechargeable li-on polymer batteryTransmission powerclass 2Charging PlugA/C chargerMusic StreamingYesMulti-function Button On/OffYesStandard Bluetooth FeaturesYesStandby Time&nb
Specifications 1.Frequency coverage: 2.402~2.480GHz ISM band 2.Sensitivity: -80dbm 3.Transmit range: up to 10m 4.Transmit speed: 57~723Kbp Fashion Sports Wireless Bluetooth Headset Earphone Headphone Earphone for Telehone PC Portable back-hang design, convenient for sportsSuitable for mobile phones, PC, and iPod Handsfree speaking by pairing with mobile phone Enjoy music of iPod with adaptive dongle Can receive and reject incoming calls while automatically stop music Volume adjustment Bluetooth version: 1.2/V2.1, wireless transmitter standard of class II Frequency coverage: 2.402~2.480GHz ISM band Sensitivity: -80dbmTransmit range: up to 10m Transmit speed: 57~723Kbps Stereo compression ratio: 44.1/48kHz Channel: 79 channels of 1MHz, B/W Contact terms: Point-to-PointBattery: Li-ion. Charge power : PC USB, 5V Charging time: 1-2 hours 40g/pcsPacking:blister
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 1) Bluetooth Headset 2) V3.0+EDR 3) OEM Brand 4) Color Customized 5) Gift Box Model No.: F-0350 * Stereo Bluetooth Headphone * Work with mobile phones, new Nano, tablet pc, etc MOQ:3KModel:F-0350Color:CustomizedPower:USB Charging CableCertificate:CE/FCC/ROHS Market Share:North America (15%)Europe (20 %)South America (12%)Japan (10 %)Malaysia (22 %)Korea (10 %)Philippines (8 %)Other countries (3%) Feature:1) Head-band style 2) Hand Free Function3) Song Chosen Button, easy control4) Volume button5) 10 meters Bluetooth Range6) Rechargeable Battery built-in7) Colors Customized8) Eco-friendly and long time standby9) Hi-fi stereo quality10) OEM brand11) Large Market Scale12) Cheap and qualityPackage:Gift BoxPacking Details:100 PCS/CTN/51*46*30.5 CMSample:Available Specification: Bluetooth Version:V3.0+EDRSupported Profiles:HSP: Heads
Model Number: R-008L Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister package Delivery Detail: 25 days Specifications Sport Bluetooth Heaphone support TF card 1, MP3 music from TF MicroSD card or mobile phone(AUX Audio); 2, Support TF MicroSD card up to 32GB; &nbs
Brand Name: Finsoud Model Number: L1 Style: Headband Communication: Wireless Connectors: Other Use: Mobilephone, Laptop,iphone,ipad,Tablet pc Function: Bluetooth,Support bluetooth A2DP,AVRCP Place of Origin: Guangdong China (Mainland) Effective range: up to 10-20M optional colour: Black / Pink / Blue Sound: Hi-Fi Sound quality Battery: Reacharge Lithium Battery Microphone: Built in Microphone Packaging & Delivery Packaging Detail: PVC giftbox + Paper card Delivery Detail: 20-25 days after order confirmed Specifications 1.Support A2DP, AVRCP; 2.Dual Antenna Reception 3.Smart connection; 4.Rechargeable battery system; 5.Built-in Mic. Model: L1 Stereo bluetooth headset Features Support A2DP function ,AVRCP remote control capabilitiesSupport Bluetooth specification V2.1 version, backwards compatible with V1.1, V1.2 version ; Support automatic switching to answer phone-call ,Play,Pause,Forward & backward selections, and with the end number re-dial func
Specifications cheap mini bluetooth headphone Conversation time: 360 minutes The factory price, delivery on time warranty:2 years warranty cheap mini bluetooth headphone The main parametersProducts: headphonesWear mode: ears hungFunction purpose: bluetooth headset Function parametersBluetooth specification: bluetooth 3.0 versionSupport agreement: A2DP, AVRCP, Handsfree, HeadsetTransmission range: 10 metersTransmission frequency: 2.4 GHzSuitable model: all kinds of mainstream mobile phone modelsCharging time: 2 hoursConversation time: 360 minutesStandby time: 192 hoursTransmission power: class 2 Other parametersAppearance design: black, white, redOther features: at the same time connect two bluetooth devices, automatic speech broadcast; The battery power and connection state tip; Digital signal processing (DSP), support clear call, strengthen the speech at the same time but not distortion; Voice transmission noise reduction function; Automatic volume control function; W
Brand Name: koko Model Number: Y528 Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: cartons or boxes Delivery Detail: 2-5 working days Specifications BH-503 Nok Bluetooth Headset 100% brand new BH-503 Nok Bluetooth Headset 100% brand new Features:Music to your earsListen to your favourite music and stay connected to your mobile device with this wireless stereo headset.Enjoy your musicHear your tunes in high-quality stereo sound and easily access your mobile device\'s music library without missing a call.Comfort meets styleWear the wireless headset comfortably with the convenient over-the-ear design or carry it with the easygoing neckband.Quality in audioEnjoy crisp, high-quality audio so you can listen to your music and take calls in clarity. Specifications :Control the music player and manage your calls with easeStay comfortably stylish with the over-the-ear design and neckbandEnjoy high-quality stereo sound from your comp
Brand Name: OEM Model Number: SKU10153 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) model: X6 color: black + red bluetooth version: V1.2 class2 transmission range: 10m frequency rang: 2.400~2.480GHz talking time: 12 hours mp3 music format: support supportf card: up to 16GB rf output power: 4dBm bluetooth/mp3/fm playing time: 10 hours Packaging & Delivery Packaging Detail: Small box packing Delivery Detail: Within 5 days for 10pcs since payment arrived Specifications New Arrival X6 Sport MP3 Player + Bluetooth Headset w/ FM/TF Card transmission range:10m talking time:12 hours support mp3,TF New Arrival X6 Sport MP3 Player + Bluetooth Headset w/ FM/TF Card Features: - Model: X6- Color: Black + Red- Bluetooth version: V1.2 class2- Bluetooth profiles: A2DP/AVRCP/HFP- Transmission range: 10m- Frequency range: 2.400~2.480GHz- RF output power: 4dBm- Built-in 3.7V 500mAh lithium
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
Brand Name: MEW Model Number: HP03 Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: In-ear, Neckband OEM: Highly welcomed Packaging & Delivery Packaging Detail: Color box Delivery Detail: Within 3-8 days after the payment is arrived Specifications bluetooth headphone -high quality, favourable price -fast delivery -wonderful timbre -durable, OEM welcomed bluetooth headphone Specification: Bluetooth Versionv2.1+EDRBluetooth Profile SupportedHeadset and Hands-free ProfileCharging TimeAround 1.5 hoursTalk TimeUp to 7 hoursStandby TimeUp to 240 hoursProduct Range10 meters with no obstructionsOperation Temperature0-50°CBattery Type and CapacityRechargeable Li-Polymer 100mAhDimensionL56.5*W26.5*H16mmWeight23g Why do you chose us? 1. It can provide clear sound quality. 2. You can wear it in-ear, with a
Specifications Handfree Chip: UTH6812 Talk time: about 4H Charging time: about 1.5h Standby time: about 100H Bluetooth standard: V2.0Chip: UTH6812Range: about 10M Signal :2.4-2 .48 Ghz Talk time: about 4HCharging time: about 1.5hStandby time: about 100HUnit: mmWeight: 11 gCharging power supply: AC input 110-240V DC output5V
Brand Name: Perfectdigital Model Number: BLUEST-001 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: 4 Colors Compatible brand: for iPhone/IPOD/IPAD Shipping terms: DHL, UPS, EMS, Fedex,TNT,HK Post OEM: YES Packaging & Delivery Packaging Detail: Retail package Delivery Detail: 1-3 workdays Specifications 1. Top quality headphone,Stereo sound, Foldable. 2. Remote control and Noise Reduction 3. For MP3, MP4, PC, Cell phone Hot selling Foldable Stereo Wireless Bluetooth Headphones Feature: 1.Stylish design.2.Perfect fit on ear to enjoy for music.3.Various color available4.Stereo earphone with excellent sound.5.Fashional design, stereo,various color for mp3,mp4 player6.Advantage price and high quality for mass purchase.7.Beautiful pakage for your retail.  
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: Xinvo Model Number: bluetooth earphone Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) useage: bluetooth earphone Charge time: 3h Operating voltage: 3.7V Transmission distance:: 10m package: color box, blister packing Colors: yellow,White,Blue,Red,Pink Packaging & Delivery Packaging Detail: gift box,color box etc. The package also can be customed according to your requirements, including print your logo. Delivery Detail: 3 -7 days after received deposit. Specifications bluetooth earphone 1.Fashional Design, 2.Stereo Bluetotoh Function 3.play music from your mobile 4.Bluetooth Headset Newest Waterproof Bluetooth Headset Detailed Product Description: Stand alone solution for Bluetooth headset and Waterproof function; Smart design, no need extra cable or headphone lines, Features:Stand alone solution for Bluetooth headset and Waterproof function; Sm
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