Specifications Place of origin: China mainland Brand: Tamgle Compatible brand: iphone/Nokia/Samsung/blackberry etc Package: Polybag/carton Specification: 1.Type: H7002.bluetoothe version: 1.23.weigh: 14 grams4.call time: 6 hours5.standby time: 200 houres6.The transmission distance Highlights: 1. small and light design2.Folding microphone and human environment reversible ears hook.3.Noise reduction and echo cancellation technology. 4.Multiple function button, can control three calling ways. 5.Advanced sound positioning control technology. 1).Products Range:Wide range mobile phone accessories available.2). Quality Control:Every parts tested with special instruments or main boards before delivery to ensure working. Both Original and High quality OEM products available.3). Packing:Packed in poly&n
Specifications 1.stereo Bluetooth v3.0 2.Smart connection; 3.Rechargeable battery system; 4..Built-in Mic Sports MP3 Player with TF card slot -Headset Handsfree Headphones TF card support,bluetooth built-in, mp3, headphone, telephone, EQ Specification( bluetooth part) Bluetooth Headphone with TF card MP3 player1. stereo Bluetooth v3.02. with tf card mp3 player3. high quality stereo bass sound4. Built-in rechargeable Li-ion battery5. accessory: USB cable, audio cable Specification(mp3 part)Audio format support: MP3/WMA/WAVExternal memory enlarge: TF card( Max 8G)Play time: continue about 10 hoursUSB Jack: USB 2.0Frequency response: 20Hz~20kHzOutput power: 15mW*15mWRecord sampling rate: 64Kbps/8KHzRecord format: WAV Hardware specification definitionSolution Transmit powerClass 2, Max4 dBmReception sensitivity-88dbm(typical)Working Band2.4G ISM Band,2.402-2.480GHzModulation systemGFSK,π/
Specifications Newest bluetooth headphones wireless 1.stereo bluetooth Headset 2.Tramission distance: Max.20M 3.Sound-Proofing 4.Good servi Newest Stereo Bluetooth Headset1.stereo bluetooth Headset2.Tramission distance: Max.20M3.Sound-Proofing4.Good service DT120s Bluetooth Headset Technical parameter and specification:
Brand Name: Jaken Model Number: K1000 bluetooth headset Style: Headband Communication: Wireless Connectors: Bluetooth Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Colour: Black Packaging & Delivery Packaging Detail: Industrial or customer designed package. Delivery Detail: 1 to 7 days after placing order Specifications Wireless Bluetooth Headphones 1.Stock,instant delivery; 2.Talking time:20hrs; 3.Standby:400hrs; 4.Bluetooth2.1+EDR Class 2 Black K1000 Wireless Bluetooth Headphones,K1000 foldable bluetooth headset Features: 1.Stereo Bluetooth headset with back-hang style2.Supports Bluetooth A2DP, AVRCP, and HS/HF profiles 3.Features Software & CVC echo/noise cancellation for reducing noise4.Foldable design provides maximum portability 5.Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc 6.Switch automatically from remote controls on the headset allow you to play, skip and select y
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 (hrs)240Talk Time (hrs)21Charging Time(hrs)5Charger PowerInput 110-240 V AC, Output : 5V DCSupported ProfilesHeadset A2DP,AVRCP,HandsfreeIn the Box1 bluetooth headset1 User manual1 AC charger Notes: Warranty :1 yearMOQ for cu
Brand Name: USBONLINE Model Number: USWH0019 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Grey Packaging & Delivery Packaging Detail: Gift box/ OEM Delivery Detail: 2 to 7 days when confirm the order Specifications Best wireless bluetooth headphones 1 SD card wireless music headphones 2 Two year warranty 3 Excellent experience Best wireless bluetooth headphones SD card wireless music headphonesFetures:1.Advance wireless music headsets provide portable,3D sound and high-quality of subwoofer enjoyment.2.No need to connect any cable and just simply insert the SD card,you can play your favorite music.
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.Mini Bluetooth Headphone 2.Pink 3.Bluetooth V2.1 4.Talk time: 5 hours ProductMini Pink Wireless Bluetooth HeadphoneProduct Highlight1. The mini Bluetooth headphone supports Headset Profile and Handfree Profile.2. Last number redial, call rejection and adjust volume, etc.3. Through the use of Bluetooth wireless transmitter, the Bluetooth headphone makes online chat reality.4. Cell phone loss protection, call note.5. With stylish design, the mini Bluetooth headphone functions as an ornament.6. Application: The mini Bluetooth headphone, a type of wireless products, offers compatibility with all famous branded Bluetooth cell phone and is used as a handsfree. Coupled with a Bluetooth dongle, it makes online voice chat a areality.Specifications1. Bluetooth version: Bluetooth V2.1, compatible with V2.0 and V1.22. Chip: CSR BC63. Transmission distance: 10M(Class 2)4. Frequency:2.4GHz5. Stanby time: 90 hours6. Talk time: 5 hours7. Charge hour: less than 2 hours8. Power supply:
Specifications 1.origin design 2.Hi-End sound quality 3.CE,FCC,RoHS passed 4.OEM highly welcome Blue headphone for MP3,IPAD,IPOD,PHONES1).Speaker Unit: 40mm2).Impedance: 32ohms3).Sensitivity: 110dB+/-3dB4).Frequency Response: 20Hz-20KHz5).Wire: 110cm6).Plug: Silicon7).Function: stereo super-bass, without volume control Notes:1).Keep away from fire.2).Keep away from sharp knife, fork, and edge tools. **Classic design & amazing listening experience**-incredible punchy-bass-pure and clear treble quality-inconceivable extensive sound stage image player metal earphone Metallic finish in-ear silicon plug earphone for MP3,IPAD,IPOD,PHONES
Brand Name: Meidio Model Number: MN-1040 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Sensitivity: 115+/-3dB Max input power: 40MW Impedance: 32ohms Type: Closed-back dynamic Cable: 1.2M(fabric) Color: Customized colors welcomed Logo: Customized logo welcomed Company: TUV manufacturer Service: ODM,OEM Packaging & Delivery Packaging Detail: color box, standard package Delivery Detail: 5-7days Specifications cheap wireless headphone high quality competitive price fast delivery customized color and logo welcomed bluetooth earphone 1.Type: Closed-back dynamic2.Driver Diameter: 40 mm3.Magnet: Neodymium5.Cable: 1.2M(fabric)6.Connector: 1/8-inch (3.5 mm) 7.Color:ALL color is available 8.Logo: print as your ruquire &n
Specifications Incredibly clear sound. Pair your headphones to any device. Easy playback. High Definition Stereo Bluetooth Headphones Key Features: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.Pair your headphones to any device. Stream audio from your laptop, or any other Bluetooth-enabled device – even TV’s – from up to 30 feet away. Wireless headphones support SBC, AAC, Apt-X Bluetooth Codecs, which means you'll always have a high-quality stream.Easy playback. Instead of digging around for your music player when you want to change a song, use the controls on your ear cup to manage phone calls and music.
Specifications 1.bluetooth headphone 2.CE & ROHS 3.Fast delivery 4.Bluetooth Program:ISSC+Class2 5.Standby time: >100hours Ear hook shape wireless bluetooth headphone Product Discription: Bluetooth Core: V2.1+EDR Bluetooth Program:ISSC+Class2Standby time: ≥ 100hoursTalk time: 6hoursCharging Time: 2-3 hour Standby Current: 0.7-1mABatery Capacity: 48mA/hWireless Frequency Range: 2.4GTransmission Power: 0 dbmTransmission Distance: 10MEnvironment Temperature: -20/+60 °COperating Voltage:3.7V More tips: Bluetooth is a radio technology developed to deliver short-range wireless mobility. It eliminates the physical wires between the high technology devices such as mobile phones.Most advanced Mini Bluetooth Headset with length 29.4mm & weight 6.8g only. Up to 5.5hrs talk time & 10m range allows you talk anytime freely.Bluetooth Headset works up to 15m allows you talking everywhere. All phone calls are connected wirelessly to your heads
Brand Name: QR Model Number: QR-C918 Style: Headband Communication: Wireless Connectors: USB Use: mobile phone, Laptop, PC, & PSP , Table etc. Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Blue Yellow Red Pink White Black Packaging & Delivery Packaging Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Delivery Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Specifications 2013 New-style Stereo Headset V3.0 Bluetooth Headphone 2013 New-style Stereo Headset V3.0 Bluetooth Headphone Specifications: 1)Bluetooth headphone lets you listen to music or take phone calls wirelessly2)High-quality speakers deliver crisp,rich sound.3)Accept incoming calls or toggle between tracks with the touch of a button4)Lightweight,comfortable design for all-day listening, headphone string retractable5)Compatible with bluetooth enabled devices,such as most computers, cellphones, For iPhone/iPad/iPo
Brand Name: TSX Model Number: TSX-110 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: black white net weight: 3.3 kg gross weight: 15 kg carton size: 59*28*55 cm Packaging & Delivery Packaging Detail: middle package Delivery Detail: 15 days 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 bag1Wip
Specifications 1. fashionable design 2. multipoint connection 3. noise reduction and ECHO cancellation Wsound BH503 stereo bluetooth headset Using this stylish bluetooth stereo headset, you can control the music player, manage your calls, enjoy high-quality stereo sound from various bluetooth enabled devices. Features: Enjoy stereo music from coputer and mobileExtremely good quality,superior clear voiceMultimedia,stereo, foldable Headphone,NecKphoneHandsfree,compatible with all Bluetooth Devices Such As PS3 & IPHONEHigh Capacity&Rechargeable Lion BatteryAutomatic cennecting function Energy saving function,200% longer talk timHandsfree,answer/reject call and call the last coming NO.Voice Dialing,Re-dialing functionRemote control music playback,pause,up and down s
Brand Name: cect Model Number: CGZG8112 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Specifications Headphone remote control +/-,On/Off,Play/Pause,Previous/Next Wireless connect with PC USB adapter can plug and play Wireless 2.4G stereo bluetooth headphone for PC Wireless listening stereo music in PC Realize remote two-way communication via international network With Hi-Fi sound like CD sound effect Remote control music playing state ( Like remote control of music playing, stop, last/next choose, and volume+/-) High fidelity, omini-directional design of microphone, with clear voice, no echo. USB adapter can plug and
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: MINDSONIC Model Number: BT-108 Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Zhejiang China (Mainland) color: different color for choice Packaging & Delivery Packaging Detail: color box Delivery Detail: 30 days Specifications support bluetooth Stereo Audio Multiple colors for choice • Comfort from adjustable head hand and earplug.• Embedded microphone for hands-free conversation .• Enjoy stereo music wirelessly from Bluetooth A2DP devices.• Pause the music,Play back automatically when receives an incoming call.• Button:Play/Pause, PREV,Next, Volume + ,volume -.• Call transfer between the headset and Bluetooth mobile phone.• Automatically connect to the last connected Bluetooth device.• Compatible with bluetooth enabled devices,such as most computers,cellphones,iPhone 4/4S/5,iPad,iPod,and other MP3/MP4 players• Bluetooth specification: V3.0+EDR• Po
Specifications 1.hot sell headphone. 2.high quality. 3.best price
Brand Name: OEM Model Number: BS020RD Style: In-Ear Communication: Wireless Connectors: micro USB,USB, micro usb Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box packages OEM package Delivery Detail: 20 Days Specifications 1 Wireless Stereo Bluetooth Headphones 2 Dual-Mic & Noise Filtering 3 sports wireless headphone 4 CE, FCC, RoHS appro Wireless Stereo Bluetooth Headphones BS020RDMain Features1 Dual-Mic & Noise Filtering, more clear sound2 For Mono-Stereo Use, more flexible options3 Aluminium Housing, to be noble4 Super-Slim Design, more fashion 5 With In-ear Earpiece, more popular and comfortable6 BLUETOOTH V3.0, higher version, higher tech.7 MICRO USB Universal Charging, future standardization8 CE, FCC, RoHS approval9 Supports iPhone,iPad,iPod,MSN,skype. Product SpecificationsBluetooth Specification: V3.0Bluetooth P
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.ROHS,CE,FCC 2.29mm diameter speaker 3.35days hours standby 4.11 hours phone call EXW 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, t
Brand Name: oem Model Number: BTXKW-602 Style: In-Ear,In-ear Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications Mini Mono BT headset, Bluetooth V1.1/1.2/2.0 compatibility Support Headset and Hansfree Mini Mono BT headset, Bluetooth V1.1/1.2/2.0 compatibility Support Headset and Hansfree Support Voice Dial/Redial &n
Brand Name: JT Bluetooth headphone Model Number: JT-2830- Bluetooth headphone Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Any color Weight: 144g Music Formats: MP3, WAV, WMA Type: Bluetooth headphone Plug Type: 3.7V 180mAh Music player time: 8 hours Battery: USB 350mA/h Packing: Color box Qty/ctn: 40pcs/ctn Ctn size: 46x 40 x 38cm Packaging & Delivery Packaging Detail: Bluetooth headphone Packing : Color box(14.5x 12 x8.5cm) ; 40pcs/ctn ; 46x 40 x 38cm; 9.8kgs/8.8kgs Delivery Detail: 20 days-Bluetooth headphone Specifications 1.Bluetooth headphone 2.Sensitivity micro bluetooth headphone 3.Best price,good quality,newest 4.Noise cancelling headphone Bluetooth headphone for music wirelessly JT-2830 BLUETOOTH HANDPHONE FEATURE : 1) Sensitivity micro bluetooth headphone2) Easily charge via USB port3) Accept incoming calls or toggle betw
Brand Name: x5tech Model Number: XH-008BT Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister packing, 20pcs/CTN0.068CBM Delivery Detail: 25 days after deposit Specifications 1.Perfect design neckband wireless bluetooth headphone 2.good sound quality ,can answer the phone call. 3.with microphone Feather: 1.Fashional and simple design wireless bluetooth headphone2.with microphone ,can answer the phone call 3.Advanced Bluetooth technology 4.Easy to take and enjoy your music during sporting ,travelling ,walking ,driving ....5.Unique and Intelligent function let you will not miss any call when you enjoy your music Specification: Edition Bluetooth V2.1+EDR Frequency Coverange2.402GHz--2.480GHz ISM BandSensitivity-80dbmWireless transmitter StandardClass 2Channel79 Channels of 1MHz BWTransimt Rang
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
Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: blister packing Delivery Detail: within 2-3 days Specifications 1. stereo headphone with bluetooth 2. bluetooth headphone with mp3 player 3. support 16GB TF card 4. sport style,easy to wear Sport Style Wireless Stereo Bluetooth Headphone with FM Radio And MP3 Player 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&nb
Brand Name: OEM Model Number: JBM-01 bluetooth headset Style: Neckband,Bluetooth headphone Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Customized Certificate: CE, ROHS LED Light: with blue LED light Size: 180x98x40mm Weight: 30g Packing: Blister card shutdown voltage: 3.1 V Charging current: 80mA Track: stereo Packaging & Delivery Packaging Detail: 1pc/gift box Delivery Detail: 15days Specifications bluetooth headset 1.New bluetooth headphone 2.Stereo bluetooth headphone 3.Bluetooth music headphone 4.Wireless Headphone Bluetooth headset 1. wireless bluetooth headphones2. waterproof bluetooth headphones bluetooth headset Product details Version: Bluetooth2.1+EDRTrack:stereoSNR: >80dBDistortion degree:<0.1%Impedance:32ΩMicrophone Sensitivity:-54±2dBPower range: 10mBattery capacity: 130mAOperation current : 30mAStandby c
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: 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