Specifications 1. high quality bluetooth headset earphone sam HM7000 2. high quality. tested fully before delivery 3. one year warranty high quality bluetooth headset earphone sam HM7000 Bluetooth Mode: StereoBluetooth Version: V2.1+EDR compatibleFrequency: 2.4GHZ--2.48GHZTransfer: Class 2Voltage: 3.6vElectronic currency: <25maTransfer distance: 10MCharging time: 1H-2HTalking Time: 4HStandby time: 100H
Brand Name: OEM Model Number: HW-MB-008 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: starnd packing box Delivery Detail: 3-5 working Specifications 1.High quality bluetooth headphones 2.3.5mm bluetooth headphones. 3.Bluetooth phones MOQ : 50PCS. Bulk bluetooth Headphone Brief description: 1. High quality bluetooth headphone jewelry.2. New stylish bluetooth headphone jewelry.3. Flat cable bluetooth headphone jewelry.4. Simple and beautiful design,original and lead fashion earphone5. Various color to match stylist music player earphone Bulk bluetooth Headphone features: It is available to built-in microphone for hands-free calls, up to you! Advanced sound quality Plastic earphone with flat line Bulk bluetooth Headphone Parameters: Products categoryflat cable earphoneItemHW-MBDriver Unit10 mm d
Specifications High quality low price design Use for Mobile Rich bass Hi-Fi Stereo Fashion design in time ROHS CE FCC Feautures: *Simple fashion design;*High-fidelity speaker,powerful bass.*High quality low price design use for mobile cell phone.*Adjustable, bendable, and pivot table microphone;*Powerful bass-driver neodymium magnet system for excellent stereo voice;*Patent design, smart and exquisite ;*CE and ROHS approved*ISO 9001:2008, ISO 14001:2008 A. Detailed Product Description: 1.wired headphone2.comfortable headband3.Removability headband4.Fashion design with excellent voice 5.ROHS CE REACH. Specifications: Frequency response: 20-20khzSpeaker Dia.: 40mmSensitivity: 120±3dBimpedance: 32Ω±15%ΩPower input: 40mwStandard deviation: 3dB At 600 800 1000 1200HzSound: Hi-Fi StereoPlas
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 1 .Enjoy music cordlessly 2 .Build-in high quality headphone 3. Comfort earhook design 4. Fashion Stereo Bluetoon Specifications:1.Bluetooth function2.Cheapest portable bluetooth headphone3.Newest fashionable design4.Quick rechargeable battery Main Features:1.Bluetooth wireless/wired headphone2.The built-in microphone and call-forwarding function3.Remote control the function of PAUSE/PLAY4.Remote control last/next song5.Adding and connecting your bluethooth devices immediately6.Controlling answer calling and reject calling7.Controlling volume up and volume down8. Support with Laptop,PC, iPhone/Mobile phone as insert audio cable with the audio port .9.Waterproof:IP67 Products Functions:1.Colour:white, red, black, blue2.Type: Bluetooth wireless/ wired 3.Bluetooth version: Bluetooth v1.2 Class24.Chipset: BC6130 5.Support profiles: Headset, Hands free, AVRCP, A2DP6.Master control :CSR7.Transmission distance: 10 meters8.Listening to FM consu
Brand Name: OEM Model Number: A-19 Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 7-10days Specifications 1)2.40GHz-2.48GHz 2)Bluetooth V2.0+EDR, 3)Glass2 4) FM+ mp3 player +bluetooth 5)Range:10 meters Item: A-19Name: bluetooth + card reader mp3 +FM (3 in one) headphone Features 1)Operating frequency range: 2.40GHz-2.48GHz2)Bluetooth V2.0+EDR, 3)Transmitting power: Glass24)Support: FM+ micro card up to 4GB mp3 player +bluetooth5)Range of wireless connection: 10 meters6)Built-in chargeable 300mAH lithium battery7)Talk time: 8hours; 8)Stand-by time: 150 hours, charge time:3-4hrs &
Specifications Bluetooth Headphone 1.Bluetooth specification: 3.0 + EDR Class 2 2.Foldable design 3.Music playing time: up to 7 hours Black Foldable High Quality Music Stereo Bluetooth Headphone Feature:1.Foldable design, be accompany with you everywhere.2.Extreme comfort from adjustable headband and earplug3.Wireless connect with Bluetooth enable cell phone or PC for hands free communication4.Bluetooth specification: 3.0 + EDR Class 25.Bluetooth profiles supported: HSP, HFP 1.5, A2DP1.2 and AVRCP1.06.Operating distance: 10 meters Class 27.Built-in rechargeable battery : DC: 3.7V/200mAh 8.Talk time: 6 hours9.Music playing time: up to 7 hours10.Standby time: up to 300 hours11.
Specifications Latest wireless bluetooth headphone suitable for sport Foldaway headphone and Carry easy own mould Latest wireless bluetooth headphone feature: 1. The company BC05MM CSR product the chips2. Bluetooth V2.1 + A2DP1.2 / AVRCP1.0 specifications3. The software configuration, A2DP support the five period of EQ4. The built-in 50 ohm antenna5. Its built-in 64 MIPS Kalimba of DSP6. DAC signal-to-noise ratio as high as 95 db. 7. Hands free and let the hand do it should do. Wear the bluetooth headset, yo
Specifications Headphone music player # OEM/ODM # Micro SD card music headphone # FM Radio. Wired headphone # Built-in Li-ion bettery wireless bluetooth headset / stereo bluetooth headphone Detailed Product Description Headphone music player
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 music from MicroSD TF card(up to 32GB); 2, Support line in music from other devices (MP3, mobile phone, CD, computer) by accessory line in cable; 3, With FM Radio; 4, Bulit in battery, can work more than 12 hours. 5, Equalizer function with different sound adjustments; 6, AccessorIes: Line in cable, USB calbe for charging
Brand Name: Starfly Model Number: MBT02 Style: Ear Hook Communication: Wireless Connectors: Blueooth connection Use: Motorcycle, Bike, Ski, Wokers Helmet Function: Bluetooth Place of Origin: Guangdong China (Mainland) name: motorcycle open helmet headset . bluetooth headset communication DIstance: 500 meters Color: Black For motorcycle: YES For Bicycle: YES For workers: YES For sports: YES FM: YES Interphone: YES Factory service: YES Packaging & Delivery Packaging Detail: Colour Box+Blister Bag Color Box Size : 21x17x6 cm Carton Size: 65x34x23 cm/24 sets/Ctn G.W.: 21KG. Delivery Detail: 1-3 business days after bank transfer confirmation Specifications motorcycle open helmet headset . bluetooth headset with interphone intercom communication 500m range HD voice factory price motorcycle open helmet headset . bluetooth headset with interphone intercom communication Motorcycle helmet headsets / intercom /bluetooth handsfree kit 100meter 500meter two way
Brand Name: MADE IN CHINA Model Number: I58 Style: Neckband Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone,RADIO Place of Origin: Guangdong China (Mainland) COLOR: RED Usage: MP3 & MP4 FM Radio: yes Bluetooth version: Bluetooth V2.0 Built-in MP3 player: yes Bluetooth standby time: about 200 hours Charging time: about 3.5 hours audio cable: 2.5mm to 3.5mm USB Cable: yes Packaging & Delivery Packaging Detail: brand new retail package Delivery Detail: in 3 working days Specifications Wireless Bluetooth Headphone FM Radio MP3 function Bluetooth V2.0 Stereo Headset I58 6 in 1 Multifunction Wireless Bluetooth Headphone (I58) I58 6 in 1 Multifunction Headphone SPORT MP3 PLAYER + BLUETOOTH V2.0 HEADSET EARPHONE HEADPHONE + FM RADIO W/ TF SLOT- 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- Buil
Specifications bluetooth headset/headphone. with microphone. No wire,no software,no setup, it is easy and fast. High SNR Bluetooth audio. Bluetooth headset (headphone) 1:Bluetooth 2.1 wireless transmission protocol
Specifications wireless bluetooth headphone 1.Frequency : 2.4GHz ISM band 2.Built-in 360 degree Omni direction microphone 3.OEM colorful wireless bluetooth Headphone 1.Bluetooth stereo headset lets you listen to music or phone calls wirelessly2.High-quality speakers deliver crisp,rich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening5.Compatible with bluetooth enable devices,such as iphone,ipad,most computers,cellphone6.Frequency response:20-20,000 Hz7.Speaker impedance:32 ohm8.Transfer Distance:33 FT/10M9.Frequancy:2.4GHz10.Technology: Bluetooth V3.0-EDR11.Play/Talk ~10 Hrs12.Omni-directional high quality microphone13.Easily charge via USB port14.Sensitivity microphone Model NoHS02Ver.Bluetooth V3.0+EDRBluetooth ProfilesHSP,HFP,A2DPK,AVRCPEffective Range10MetersMusic Time10HoursTalk Time11HoursStandby TimeUp to 250HoursInputDC:5V/180mAhCharge Time3HourDimensions14.5*10*6cm
Specifications 1.2013 best colorful MP3 stereo wireless bluetooth headset headphones with FM for pc mobilephone 2.color:black,white 1.2013 best colorful MP3 stereo wireless bluetooth headset headphones with FM for pc mobilephone2.color:black,white3. working distance: 10 meters4. accessories: headphone+power cable, BL-5B battery, color box. optional accessories: usb charger, memory card, bluetooth adapter5. chipset: british CRS2.0 version chipset, support all computer and mobiephones with bluetooth function6. support TF card, push pause button 5 seconds to switch to tf card model.7. support mp3 music format8. support FM radio (76-108MHz)9. memory for last time the song you was listening.
Specifications 1.Strong Brand Service 2.Mix color is possible 3.Original desiged. 4.100% factory price. Product DescriptionPattern: rabbit,black cat, octopus, monkey,panda.(Note: When you place an order, write down what pattern you need, otherwise we will randomly send you.) Features of bluetooth:The design inspiration gets from the small personalized fashion mammals. The water transfer printing is used on this production. And we use imported rubber to process the surface under high temperature. Then feel smoothy , wear docile and comfortable. The introduction of the Bluetooth chip: Airzooo series used CSR8610 3.0 (made in CSR) which is the latest Bluetooth chip. This
Brand Name: Honcam Model Number: HC-PS3033 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Bluetooth version: V 3.0+EDR Chip: CSR BC5 Receiving distance: 10 meters Sound: Stereo sound Frequency response: 20-20,000 Hz Frequency: 2402MHz-2480MHz Talk time: About 15 hours Music playing time: About 12 hours Standby time: About 300 hours Charging time: Less than 3 hours Packaging & Delivery Packaging Detail: gift box, or as per your other needs. Delivery Detail: 20-25 days after confirm the payment Specifications 1.Accept OEM 2.Bluetooth V3.0+EDR 3.Stereo music playing 4.We are factory manufacturer 5.Long battery life and fast charging Features:Bluetooth version: 3.0+EDRSupport PS3 Voice chatSupport TF card play MP3/WMASupport Bluetooth stereo music playingSupport PC connect (through data cable) listen to music and to control music played functionSupport PC Connect (through data cable) download musi
Brand Name: Kingrik Model Number: KHS-572 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Noise Cancelling,computer/DJ/mp3/IPhone Place of Origin: Guangdong China (Mainland) Color: Customised Pantone color Certificate: CE,RoHS,FCC Driver Unit: 40mm Frequency response: 20~20Khz Sensitivity: 110±3dB Impedance: 32 ohm Max imput power: 40mw Cord length: 2.1m Mic sensitivity: -58±3dB Packaging & Delivery Packaging Detail: Blister card/color box/OPP bag/your own design. Delivery Detail: within 25-30 days upon depoist. Specifications 1.enough space to print logo 2.Soft earmuff and super sound 3.Pantone color match 4.extensible head band 5.folding headphone headband headphone Features: 1.enough space to print logo2.Soft earmuff and super sound3.Pantone color match4.extensible head band5.folding headphone Descriptions: 1.Supra-Aural Design for excellent listening ability&n
Brand Name: R8 Model Number: HW209 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Other Function: Bluetooth,Waterproof,Noise Cancelling,FM stereo radio Place of Origin: Guangdong China (Mainland) Color: White Impedance: 32Ω Sensitivity: 105dB Frequency: 20-20KHz Maximum output: 100mW Microphone: -58±2dB Ion Batteries: 12 hours Packing: color box Delivery time: 25 days Packaging & Delivery Packaging Detail: carton box color box Delivery Detail: 25 days Specifications New Arrival Wireless Bluetooth Headset 1.Brand Products 2.With FM stereo radio 3.USB charges 4.MOQ=100pcs New Arrival Wireless Bluetooth Headset 1.MP3 player,insert TF card can play2.with FM stereo radio,Including a port of school broadcasts(76~108mHz), can be memoried 56 transmitter.3.Built-in Polymer Lithium Ion Batteries, can be continuous played music in 12 hours ;tune in broadcast about 9 hours.4.USB charges3.Impedance:32Ω4.Sensitivity:105dB5.Frequency:20-20KHz6
Brand Name: OEM Model Number: HDP-219 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer,Mobile Phone,Mp3,media player,CD Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Red,Green,Purple,Yellow,Blue,Orange,Pink OEM: Accpet Fuction: Stereo Item: headset and headphone Package: Blister packing Gift box Polybag Length of Cable: 1.5m Wire: TPE/PVC/braided Certificate: CE and ROHS Lead time: 5-12 days Packaging & Delivery Packaging Detail: Blister packing Gift box Polybag Delivery Detail: 7-12 days Specifications Stereo bluetooth headphones manufacturer 1. Cool design bass headphone 2. Enriched sound 3.low price abd best quality 2013 Fashionable Wireless Bluetooth Headphone Details Bluetooth version: Bluetooth V3.0+EDR Supports: HSP, HFP, A2DP and AVRCP Key: Volume up/down, Song last/next, MFB pair/pick/hang/reca
Specifications 1.Top quality in Sealed retail box 2.Fast delivery 3.Mixed order is welcomed 4.Pls contact us for more detail pictures Namehigh quality wireless headphonesCommunicationwirelessConnect3.5mmPackingIn sealed retail boxApplicationsFor computer, telephone, portable media playerPlace of originChinaPayment termsmoneygram, western union, T/TShipping termsEMS, DHL, UPS, TNT, FedEx, or as your requirementweight1.5kg/pcsvolume26*20*14cm/pcs INCREDIBLY CLEAR SOUND. Wireless headphones feature powerful sound, as clear and strong as any wired headphone. They also come with a cable you can plug into if you don’t want to go wireless. TEN HOURS OF BATTERY LIFE. Longer battery life means you can listen to your music for hours without interruption. To recharge your headphones, just plug your Wireless headphones into any computer or USB port. PAIR YOUR HEADPHONES TO ANY DEVICE. Stream audio from your laptop, or any other Bluetooth-enable
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
Brand Name: OEM Model Number: M9A Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Warranty: 1 year Talking Time: 6 Hours Transimission Distance: 10M Bluetooth Version: V2.1+EDR Packaging & Delivery Packaging Detail: Paper box with inner Blister Delivery Detail: 5~10days Specifications Wireless Stereo Bluetooth Headset Clip Model,superior Clear Voice Support HSP/HFP/A2DP CE,ROHS,FCC,UL and BQB Bluetooth Stereo Headset V79A Feartures: CE,ROHS,FCC,UL and BQB approvalExtremely good quality,superior clear voiceElegant and Fashion designStereo Bluetooth Headset,Bluetooth version 2.1+EDRSupports HSP and HFP profiles and A2DPRechargeable Battery:Li-ionLong talking time:range up 6 hoursExtremely Light:Only 9gColor:Black,Whte,Golden and SilverBluetooth Hansdfree,compatible with most Bluetooth Devices such as Mobile Phone,computer and PADAutomatic cennecting fu
Specifications 1.Stylish skype Headphone 2.For computer & Mutimedia 3.Communication headset Stylish skype Headphone for computer & Mutimedia BTH-017 Key Specifications:
Brand Name: HZD or OEM Model Number: BT-200 Style: Headband Communication: Wireless Connectors: 3.5mm Use: all bluetooth device Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Feature: Bluetooth Support: all bluetooth device working time: 12hours Sensitivity: 112db+/-3db Frequency responce: 20-20kHz Bluetooth standard: bluetooth V2.1+EDR charging current: 110+/-10mA working distance: 10m Carrier frequency: 2402MHz-2480MHz Standard: CE,ROSH,FCC Packaging & Delivery Packaging Detail: Poly bag / Blister packing / Box packing / OEM packing Delivery Detail: 10 days after receiving the payment information Specifications 1,Bluetooth headphone 2,built in lithium battery 3,10m working distance 4,12hours working time 5,OEM brand Bluetooth headphone BT-200 good quality Product Features: 1,Support systems:audio equipments with bluetooth functions2,Bluetooth protocol standards:Bluetooth V2.1+EDR 3,Receiver range:10m / 360Frequency R
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
Brand Name: KO-STAR Model Number: BT-751 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Wire less: bluetooth Packaging & Delivery Packaging Detail: blister box with insert card Delivery Detail: 5~6 weeks Specifications 1.bluetooth headsets, 2.hands free headphone, 3.New fashion and practical design 4.Wireless, sport-style 1) INTRODUCTIONWe, Ko-star, are committed to designing and producing high quality and stylish headphones.By more than 10 years manufactoring experience, we have organized a professional designer/engineer team for the whole production line, as well as effective and successful QC system from molding to assembling.Music is Sans Frontieres. 2) SPECIFICATION Bluetooth chip: CSR Transmitter: Class 2 Bluetooth edition: V2.1+EDR Speaker power rate: 2*5mW Work frequency: 2.40GHZ-2.48GHZ ISM Band Working time: about 5 hours Frequency response: 20HZ-20K
Brand Name: Ss or customized Model Number: Ss988 Style: Headband Communication: Wireless Connectors: 3.5mm,3.5mm plug Use: mobile phone,pc,Chat on MSN,SKYPE,QQ in wireless Function: Bluetooth Place of Origin: Guangdong China (Mainland) Work frequency: 2.40GHz-2.48GHz Bluetooth edition: V2.1EDR Transmitting power: Glass2 Distance: 10-15 meters Talking time: 7hours Charging time: 1-2 hours Packaging & Delivery Packaging Detail: 12pcs/ctn carton size:47.5*27.5*58cm box size:26*9.4*23cm 1carton:0.076cbm 20'Container:328ctn(3936pcs) N.W.:12kgs G.W.:13kgs Delivery Detail: Sample lead time:10 days.order lead time:15-25days. Specifications 1.Stereo bluetooth headset 2.Work frequency:2.40GHz-2.48GHz 3.Bluetooth edition:V2.1 Specification:1.Stereo bluetooth headset2.Work frequency:2.40GHz-2.48GHz3.Bluetooth edition:V2.1 4.Transmitting power: Glass25.Supports Headset & Handsfree Profiles6.Distance:10-15 meters7.Built-in chargeable 400mAH lithium battery8.Talking time: 7hours; 10.Stand-by
Brand Name: Gucee Model Number: G268 Pro Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Hunan China (Mainland) Packaging & Delivery Packaging Detail: Blister, Graphic carton Delivery Detail: 8-15 days after order confirmed Specifications With Calling Wireless Bluetooth Headphone 1. Hidden microphone design 2. 2.4GHz Wireless transmission frequency With Calling Wireless Bluetooth Headphone Features: 1.Hidden microphone design, in the use of the process does not occupy space. 2. Increase the volume: in the online state to the "+" side to press the volume button to increase a certain volume. 3. Volume reduction: a certain volume in the online state to the "-" side to press the volume button decreases. 4. Pause: Tap the power button to pause at the boot mode, tap again to continue playback. 5.2.4GHz Wireless transmission frequency to meet the requirements of the Eur
Specifications wireless bluetooth headphones Talk time: 30h Standby time: 600h Charging time: 3 h Bluetooth Headset Series / wireless bluetooth headphones Specifications: Feature: 1) Either the earhook or the ear pulg. 2) Support buetooth headset, handfree profile. 3) Redial the last call,reject call. 4) Volume adjustable. 5) LED indicates connection. Specification: 1) Bluetooth protocol: version 2.0 2) Frequency: 2.4 GHz 3) Bluetooth range: 10meters. 4) Power supply: DC5V/120Ma. 5) Working volt: 3.7V. 6) Battery: rechargeable Li-lon battery. 7) Talking time:up to 4 hours. 8) Standby time: up to 70 hours. 9) Charging time: about 2 hours. Accessory: 1. Charger (optional) 2. USB charging line. 3. User guide. 4. Ear hook Packaging: gift box 1. Box size: 55*43*39cm