Brand Name: Runda Model Number: BH-M29 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Talking Time: 8 hours color: black Packaging & Delivery Packaging Detail: Blister card or gift box Delivery Detail: 10-20days Specifications bluetooth headphones Function 1).Chipset:CSR BC6 V2.1 2).Support:Headset,Headfree,Noise-Canceling,Voice-Dial/Mute 3).Multi-point supported: 2 connections simultaneously 4).Broadcast Range:10M 5).Talking Time:10 hours 6).Stand-by time:150 hours
Brand Name: YANMAI Model Number: 990 Bluetooth Style: Headband Communication: Wireless Connectors: USB/3.5 Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) model: 990 Bluetooth functions: bluetooth/wired headphone protocol standard: bluetooth V3.0+EDR Speaker size: 40mm(Dia.) Impedance: 32 Ohms Frequency response: 20Hz~20KHz standby time: 200 hours battery: rechargeable 350mAh Operating distance: 10m (Max.) appearance color: black/white/red/orange Packaging & Delivery Packaging Detail: color window gift box Delivery Detail: 30 days after 30% T/T deposit Specifications 2013 new stylish design hifi stereo sound quality bluetooth v3.0+EDR standby time 200 hours colorful appearance newest design hifi stereo bluetooth headphone 990 series Product Features1. Hi-fi stereo wireless bluetooth transmission2. Built-in EQ equalizer3. High anti-interference antenna4. Built-in large capacity rechargable lithium battery5.A
Brand Name: Rambotech Model Number: BSH555 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Multiple connectivity options: Line-in, BLE 4.0 Operating range: 10 meters Talk time: Up to 12 hours Music playback time: 8 hours Standby time: Up to 500 hours Packaging & Delivery Packaging Detail: color box Delivery Detail: 35 days Specifications bluetooth headphone 1. Hi-Fi visual 3D 2. Bluetooth V4.0+EDR 3. CD quality music through APTX 4. Wired+wireless headphone HIFI Bluetooth headphone BSH555,New product!!! looking for distributor bluetooth headphone Model: BSH555 Feature*Hi-Fi visual 3D stereo Bluetooth headphone*Bluetooth V4.0+EDR compliant*CD quality music through APTX, compatible with Bluetooth-enabled mobile phone,PDA,PC and other equipment*Multiple connectivity options: Line-in, BLE 4.0*A2DP switch between two connected phones*Automatically switch between line-
Specifications BH505 Stereo Bluetooth Headset Headphone A perfect companion for sports, skateboarding and other groovy hobbies. The Bluetooth Stereo Headset BH-505 is tailor-made for your active lifestyle, offering convenient on-the-go access to your music and calls. 2) Go for style and comfort. Wear this sleek, lightweight headset comfortably around your neck and find the perfect fit with a selection of earpieces to choose from. Experience high-quality audio. 3) Ultra fashion, compact and light-weight design. 4) Advanced technologies in Echo cancellation & Noise reduction insure the good sound quality. 5) Well design and easy to use. 6) Stream up to six hours of play or 13 days of standby. 7) Stable neckband means versatility for use conditions. 8) Seamless switching between music and calls. 9) Great sound with control. 10) The headset supports bluetooth v2.1. 11) Product type: headset. 12) Earpiece design: neckband. 13) Integrated microphone: yes. 14) Sound mode: stereo. 15) Con
Specifications 1.Stylish bluetooth headphone 2.Stereo excellenct sound 3.Cheap price 4.OEM/ODM order welcomed 5.High quality Fashional bluetooth headphone with UV painting shell Specifications: ItemsCDB-041 Bluetooth headphoneBluetooth VersionV. 2.1/3.0+EDRSupport ProfilesHSP, HFP, A2DP and AVRCPSpeaker DIM:30mmOperating range10 Meters(33fts) CLASS IISpeaker Impedance 32±15%Frequency Range:20~20KHzTalk timeUp to 11hoursMusic timeUp to 250 hoursCharging timeAbout 3.5hoursBatteryRechargeable 380mAH Li-polymer batteryOutput S.P.L:93±3db*20mw/30mmMIC. Dimension:4.5*2.2mmMIC.Sensitivity:-54dB±2dBMIC. Impedance:2.2Input Voltage:DC 5V BY MINI 5PIN USBDimension( mm)123.5*49.5*25mmCompatible support:Apple IPAD I II, I phone 3. 3GS,4,4S, PC/NOTEBOOK(need bluetooth dongle) Features:1.MFB: POWER ON/OFF, PAIRING, PLAY/PAUSE2. PREVIEW and next song control3.VOLUME UP and DOWN control4.PLASTIC and RUBBER materials5.Voice calls and music mode automatically s
Specifications bluetooth headphones with microphone 1)Bluetooth 2.0 compliant,bluetooth headset,Earphones,Headphone AVRCP/A2DP stereo bluetooth headset headphoneNumber:GP0205055Feature:bluetooth stereo headset with microphoneBluetooth 2.0 compliant,bluetooth headset,Earphones,Headphone,AVRCP/A2DP Profile,for mobile phone,pc 1.Standby time:130 hours.2.Talking time:8 hours.3.Operation range:up to 10 meters.4.Battery:li-ion polymer 120 mah.5.Bluetooth 2.0 compliant.6.Frequency range:2.4GHz-2.48GHz.7.Dimension:65*25*22mm.8.Package size:24*14*5cm.9.Product weight:80g. Packing:
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: Eimuse Model Number: BS-02 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Headphone: in ear type: bluetooth earphone color: for customer needs Packaging & Delivery Packaging Detail: 1pc/polybag / gift box / blister card Delivery Detail: three to four weeks Specifications 1.Direct OEM factory 2.Short sample leadtime 3.LOGO available 4.CE ROHS ISO compliant 5.Fit for MP3 computer CD radio etc 2013 Hotest Fashionable Wireless Stereo Audio Bluetooth Headphone BS-02 Features and Advantages : 1. Vogue slim design, lightweight and comfortable 2. Dual stereo track, Ideal choice for listening music with iPod and MP3 players. . 3. Suitable for iPod all types and iPhone all t
Brand Name: Kube Model Number: Kubesolohd Style: Headband Communication: Wireless Connectors: 3.5mm Use: DJ Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Frequency response: 19-20KHz Impedance: 16ohms Colors: black red Warranty: 12 months Packaging & Delivery Packaging Detail: boxed Delivery Detail: within 3 working days for sample order Specifications bluetooth headphone 1.stereo earphones superior bass 2. revocable cable 3. wonderful music experience 4. outstanding appe 2013 HD Bluetooth bluetooth headphone with Hi-fi Stereo wireless soloing hd , soloing HD headphones , wireless earphone Features:1.stereo earphones with superior bass2. with revocable cable3. wonderful music experience4. With outstanding appearance in the street5. 1 year warranty Technical informations:Frequency response:19-20KHzImpedance:16ohmsImpedance :120db Detailed Pictures: &n
Specifications 1.bluetooth headphone, 2.hand free, 3.3D LOGO, 4.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) SPECIFICATION1.Bluetooth specification: V2.1+EDR 2.Bluetooth profiles: HSP, HFP, A2DP and AVRCP 3.Operating distance: 10 meters Class II 4.Rechargeable 430 mAH Li-polymer battery 5.Talk time: Up to 16 hours 6.Music playing time: Up to 14 hours 7.Charging time: About 3 hoursSpeaker Specifications Speaker: Φ30mm Impedance: 32Ω S.P.L.: 100±3dB @1kHz Rated Power: 20mW Frequency Response: 20Hz-20KHzMicrophone Microphone Unit: Φ6*2.7mm Directivity: S.P.L: -42±3dB 0dB=1V/PA @1KHz Frequency Response:100Hz-10KHz Operating Voltage: 1-10V &n
Specifications WH-188 Bluetooth Headphone Retro Headset Wireless Earpiece Specification: MP3 headphone with integrated FM radio &nb
Specifications 1.ROHS,CE,FCC 2.Bluetooth 2.0 3.120 hours standby 4.8 hours phone call EXW SHENZHEN Price:US$8-11/Piece.Free Sample OK Specification:Scientists generally believe that long-term exposure to electromagnetic radiation than 0.2μt is safe. However, any form of artificial electromagnetic radiation are harmfull on humans, and most of our electrical appliance, bring more than 2μt radiation. Phone is used in our every day life, and radiation from mobile phone is astonishing. As the phones are the high-frequency products (30MHz ~ 2000Mhz), the test unit microwatts per square centimeter, in the case of standby, the&
Brand Name: OEM Model Number: BH23 Style: Headband Communication: Wireless Connectors: BLUETOOTH Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) color: red ,blue.black,white,pink,orange Use for: mobile phone ,laptop.tablet all devicewith bluetooth frequency response: 20-20,000Hz Speaker Impedance: 32ohm Support: handsfree for mobile phone Technology: Bluetooth V3.0+EDR Packaging & Delivery Packaging Detail: color box Delivery Detail: 3-5days 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
Specifications 1.Chipset:CSR/BC352239A 2.Bluetooth version: Version2.0/Class2 3.Operating Distance:10 Meters 4.Ran 1.Chipset:CSR/BC352239A 2.Bluetooth version: Version2.0/Class2 3.Operating Distance:10 Meters 4.Range of Frequency: 2.4GHz-2.4835GHz ISM Band 5.Operating Rang: Up to 10 Meters 6.Typical Talk Time: 8 hours 7.Typical Standby Time: 160 hours 8.Rx sensitivity < -80 dBm (PER 1 %) 9.Rechargeable Li battery:160MAH 10.Compatible with various Bluetooth enabled devices such as mobile phones, PDAs and Laptops
Specifications Bluetooth 2.1 wireless transmission protocol High SNR Bluetooth audio connection Switch-over between calls and music Description: Bluetooth headset 1: Bluetooth 2.1 wireless transmission protocol &nbs
Specifications Noisy cancelling EVA headphone case 1.EVA is eco-friendly material 2;hard, protective and waterproof 3;utility, custom made Noisy cancelling EVA headphone case earphone winder earphone hard case earphone case white earphone pouch earphone holder earbuds small pouch bose sie2i earphone headphone case earphone organizer earphone carry case earphone case mesh EVA Case,Hard Case,EVA Headphone Case,Headset Case/Box,Earphone Case Headphone Sanitary Hairdressing Case Logic Bag Case For Mid eva case/bag detailed information:1. Material: eva +pu+fabric 2. Color: Pantone color is available3.MOQ:3000pcs4. Size: customized5. Style: designer. OEM/ODM is welcomed6. Printing logo: according to client's requirement, by silk screen printing, heat transfer printing, embossing,sublimation and offset printing7. Sawing stitching: we can make bl
Brand Name: BW Model Number: BW0205133 Style: Neckband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: Bluetooth headphone with TF memory card Packaging & Delivery Packaging Detail: Blister bag Delivery Detail: within 5-7 working days after payment arrived Specifications Bluetooth headphone with TF memory card 1)Bluetooth range:10meters 2)Audio cable type:2.5mm/3.5mm 3)Bluetooth Core: V2.0+EDR Bluetooth headphone with TF memory cardNumber:BW0205133 Features:1.Audio cable type:2.5mm/3.5mm,2.Bluetooth range: 10meters 3.Talking time:up to 5hours 4.Standby time: up to 80hours 5.Bluetooth headset with TF card slot and MP3 player function 6.Can be as wired stereo player when inserting into pc 7.MP3 Playing time:up to 8 hours 8.Support MP3,WMA,WAV files format 9.Power supply: rechargeable 400mAh lithium battery 10.Bluetooth Core: V2.0+EDR 11.Bluetooth Program:ISSC+Class2 12.Support system:
Brand Name: kawell Model Number: KBS-21 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Working distance: 10m Talk time: more than 9 hours Standby time: more than 200 hours Music time: 7~9 hours Speakers SNR: 94dB Frequency response: 20Hz~20KHz Charging time: 3hs by USB connection (approx.) Bettery: 3.7V 260mAh Li-ion polymer battery Power input: 5V DC Weight: 42g Packaging & Delivery Packaging Detail: color box Delivery Detail: sample soon,about 7 days after order confirm Specifications Bluetooth Headset 1.Bluetooth V2.1+EDR Multimedia 2.Both headset and sunglasses 3.Many colors to choose 4.Delivery in time Bluetooth headsetAbout us We are a professional supplier for this product with many styles.Support OEM freely.Pls contact our salesmen to get best price and leave your Email address in your inquiry,we will send the quotation an
Brand Name: delightbuy Model Number: DB-BT003 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: black Packaging & Delivery Packaging Detail: color box Delivery Detail: 1-5 days Specifications Universal Bluetooth supported cell phones 3G Wireless Bluetooth Headset K3 Black ught notesAttributeGoods Tagfor Apple iPhone 4S 4 4G 3GS 3G Wireless Bluetooth Headset K3 BlackFeatures: 100% Brand new Universal compatible with Bluetooth supported cell phones Dimension: 5.3cm X 1.3cm X 0.6cm Light weight: 6 gram makes you forget even you are wearing it HSP & HFP supported Crystal clear communication Bluetooth version: V2.0, V2.1 Freq
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: no brand Model Number: gxwy1 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: As the pictures Shipping time: 1-3 days Shipping method: UPS,Fedex,DHL,EMS and so on Payment method: T/T,Western Union Waranty: 2 years Sample: Available Packaging & Delivery Packaging Detail: according to your requirement Delivery Detail: 1-3 days Specifications bluetooth earphone 1.High quality and low price 2.OEM logo and package 3.CE/RoHS 4.Soft wearing design bluetooth headphones with high quality Hot Sell Design,Competitive Price Feartures: Bluetooth Version V3.0+EDRExtremely good quality,superior clear voiceHandsfree,compatible with all Bluetooth Devices Such As PS3 & IPHONEHigh Capacity&Rechargeable Lion BatteryAutomatic cennecting functionEnergy saving function,200% longer talk timHandsfree,answer/reject call and call the last coming NO.Voice Dialing,Re-dialing fu
Specifications Portable back-hang design, convenient for sports Suitable for mobile phones, PC, and iPod Handsfree speaking by pairing with High Quality Bluetooth Slim Stereo Headset Handsfree HeadphoneRED BLACK BLUE colors mixed provide , please leave a message to us. Thanks. 100% Brand New Item!Control music and calls from the headphones.Bluetooth 2.0 wireless technology.Supports Bluetooth Advanced Audio Distribution (A2DP), Audio Video Remote Control (AVRCP), Hands-free (HFP), and Headset profiles.Music stops when a call comes in, resumes when the call is over.Ear buds help isolate outside noise.Enhanced comfort.Battery type: Lithium-ion battery.Battery Life: up to 6 hours (72 hours standby time)Less than 30 grams.Works with all compatible Bluetooth-enabled phones or music devices.Well design and easy to use. Sport Bluetooth Stereo Headset Description:Portable back-hang design, convenient for sportsSuitable for mobile phones, PC, and iPod Handsfree speaki
Specifications 1.Bluetooth stereo headphone 2.Eye-catching design 3.Wanderful sound quality Bluetooth Version :ISSC 3.0+EDRType:Stereo headphone with internal micOperation Distance:10mRange of Frequency: 2.4 to 2.4835GHz ISM band Sensitivity:85dB Music Format MP3 at WMAStandby time up to 160hours Music Playing Time 5 hours Normal Charging Time Within 3 hours Battery 3.7V 200mA Rechargeable Li-Polymer RF Output Power -6dBm to 4dBm Operating temperature -10’C to +55’CSupports Bluetooth Headset, Handsfree, A2DP and AVRCP Profiles Kingsun: China supply chain solution Whatever you need, youcould find the solution from kingsun Since its establishment in 1995, Shenzhen Kingsun Enterprises Co., Ltd has been expanding its business fields globally and continuously growing up towards another milestone. With 10 professional product developing engineers, Kingsunprovides OEM & ODM service to clients all over the world,
Brand Name: MS Model Number: PAK Style: Headband Communication: Wired Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling,for mp3/mp4/computer/mobile phone/iphone/ipad Place of Origin: Guangdong China (Mainland) Color: Blue, silver, pink, green, purple, orange, Coca Cola Packaging & Delivery Packaging Detail: with retail box or pretty box Delivery Detail: 1~3 days for big quantity order after receiving fund. Specifications multi-function top qualtiy bluetooth headphone with new style 1.Fast delivery headphone 2.High production with high quality Multi-function top qualtiy bluetooth headphone with new style1.Fast delivery headphone 2.High production with high quality 3.factory price Feature: fashion 2012 headphone earphone1)Original packing2)factory price3)mixed order is acceptable4)Drop shipping available5)Door to Door service,safe and fast6)shipping time:we will send the goods within 48 hours after your payment,and delivery about 3-4 days to yo
Brand Name: SAWOLOL Model Number: HEP-001B Style: Neckband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: bubble bag and paper box Delivery Detail: 7-15 days after order confirmed Specifications 1. Bluetooth headphone 2. Back-neck design headphone 3. Take phones 4.Chargeable lithium battery 5. wireless Stereo Bluetooth Headphone Sports-style headphone,it's specially for your use when you are doing sports.- Back-neck, foldable design- Appliant to Version 2.0 - Transmitter Power: Class 2- Operation Distance: Within 10m- Frequency range: 2.4020-2.480GHz- Built-in rechargable Li-batteries:300mAh- Charger output Spec.: DC 5.0V(300mA)- Normal charging time: ≤3 hrs- Calling time: ≥10hrs- Music Time: ≥6hrs- Standby time: ≥135hrs- Unit dimension: 54x47x16 mm(Single Earplug) Packing:40pcs/CTN Carton Size: 52.5×24.5×41.5cmN.W.: 6
Brand Name: dealfon Model Number: A9 Style: Neckband Communication: Wireless Connectors: Bluetooth Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: black weight: 267g size: 23.3*17.5*8.3 cm Packaging & Delivery Packaging Detail: Carton size: 60*48*51cm 50pcs/ carton N.W: 14kg G.W.15kg Delivery Detail: 7-15 working days Specifications -Wireless bluetooth headphone 503 -Modern and popular style -Easy to pay,and fast shipping -We accept paypal Wireless Stereo Bluetooth Headphone 503The streamlined design of this headphone means great comfort. This Stereo headphone Stable neckband means versatility for use conditions. Seamless switching between music and calls. Great sound-with control.The headset supports Bluetooth v2.0+EDR with handsfree. Headset A2DP(stereo Music) and AVRCP(music controls) profiles.Frequency response is 22-18000
Specifications headset can play out clear, detailed but powerful voice. For Asian fans to provide the highest quality hearing enjoyment Soul by Ludacris is composed of the United States of America glamor award winning singerLudacris founded the professional brand headphones, from development to production. Ludacris spent a total of 3years to completion.The purpose is to the headset can play out clear, detailed but powerful voice. For Asian fans to provide the highest quality hearing enjoyment. Accessories:SOUL universal no microphone headset line 1,SOUL Apple dedicated controlData line 1Earphone portable bag1Wipe clean cloth 13.5mm / 6.35mm adapter1SOUL English manual 1edition
Brand Name: OEM Model Number: LF-609 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: black Packaging & Delivery Packaging Detail: 100pcs/ctn, Measure: 53*34*46.5 CM. G.W.:11kgs PACKET CONTENT: 1.headset unit 2. ear hook 3. manual 4.charge Delivery Detail: 5-7 days after receip the payment Specifications 1.mono bluetooth headset earphone 2.Built-in rechargeable battery 3. with volume controk key 4.Distinctly superior Fashionable bluetooth headset, bluetooth earphone, bluetooth speaker phone,mono/stereo bluetooth headset Bluetooth standard: V2.1+EDR Transmission: class2 Working range:10M &nbs
Brand Name: BLUETIGER Model Number: SK-BH-M39 Style: Headband,Head Wearing Connectors: Micro USB Use: Mobile Phone and 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 7-10 days Specifications Stereo Bluetooth Headphone V4.0 BH-M39 Blocks 4 times the external noise,Crystal clear sound with DSP,Support A2DP,AVRC Stereo Bluetooth Headphone V4.0 BH-M39 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! Features:1). Blocks 4 times the external noise2). Crystal clear sound with DSP3). Support A2DP,AVRCP,headset,handfree profile5). Redial the last call ,Reject call.Volume adjustable.6). Faster connecting,clear sound,anti-interference.7). Listen