Specifications Symbol rate : 3Mbps 20m Supporting profiles:networking,Dial-up, Fax, LAN access , and Headset Supporting Bluetooth voice data Features: Bluetooth specification V 2.0 & V 1.2 CompliantSupporting profiles : networking, Dial-up, Fax, LAN access , and HeadsetOperation system : Windows98 , 98se , Me, 2000, XP, VistaInterface : USB complianceSymbol rate : 3MbpsReceiving / Sending rang : 20 mConvert non Bluetooth PC into Bluetooth enabledWireless connect to Bluetooth devices such as mobile phones , PDA or PC , for data transfer , networking , and dial-up , fax ect.Enabled wireless connection to Bluetooth headset Supporting Bluetooth voice dataSupporting Multi languages
Specifications 1,8pin to 30 pin Audio Adapter for iPhone5 2,data sync/charge/audio output 3,paypal accept I-EVER Bluetooth Adapter For Music,Audio Bluetooth For iphone5 Specifications: 1,100% brand new and special design2,Wholesale price and high quality3,Chargering; audio output;data transmission 4,For iphone4 to For iphone5 Audio Adapter5,Hot selling ,designed specifically for the iPhone5/for ipod touch5 generation function:1. Use this intelligent and ultracompact adapter to connect your 30-pin accessories to device2. This adapter lets you connect devices with connector to many of your 30-pin accessories 3. Support for analog audio output, USB audio, as well as syncing and charging. Video output not supported 4.This adapter lets you connect devices with a charging connector to many of your 30-pin accessories 5. Usage: Plug this adapter into Products via 8pin port, then plug your 30-pin accesso
Place of Origin: Guangdong China (Mainland) Brand Name: Neutral Model Number: I5AC0018 Color: Black Packaging & Delivery Packaging Detail: Color box Delivery Detail: within 2 to 5 days after payment received Specifications bluetooth audio receiver adapter : 1.Instantly stream music , movie soundtracks 2.Great for any Bluetooth-enabled audio device wireless mini bluetooth audio receiver adapter for Bluetooth Audio Devices Wireless Speaker Adapter for Bluetooth Audio DevicesFeatures:Brand new and high quality .Descriptions:Wireless audio streaming: * Instantly stream music , movie soundtracks , Pandora and game audio from your tablet or smartphone to your home speakers * Great for iPhone , iPad , Android phones or any Bluetooth-enabled audio device * Far better sound quality than you get from your mobile device's tiny built-in speakersBluetooth connectivity: * Your mobile device stays mobile-you have the wireless freedom to move around and watch movies or se
Place of Origin: Guangdong China (Mainland) Brand Name: QS Model Number: QS-US03 Type:USB Bluetooth Adapter: Rate:3Mbps Color:blue,black: Interface:USB 2.0 Packaging & Delivery Packaging Detail: 1.Blister packing 2.According to customers' requirements. Delivery Detail: 3-5 working days after payment ,or depend on the order quantity Specifications Description USB 2.0 Bluetooth USB Dongle Dongle with Antenna Wireless PC usb Adapter Rate: 3mbps Operation Range: 0-100m SpecificationsBluetooth specification V 2.0 & V 1.2 Compliant. I/O Interface: USB V2.0 compliance. Operation Range: 100m (Bluetooth class 1 )Built-in antennaFrenquency Band: 2.4Ghz unlicensed ISM bandMaximum Data Rate: 3MBLED status indicatorSupporting profiles: Networking, Mobile Phones, Dial-up, Fax, LAN access , and Headset. Operation system: Windows 98, 98SE, ME, 2000, XP, VISTA and Windows 7. Size: 6*2.5*1.2 cmWeight:28g
Specifications Enable iPod Touch with call function Mobile phone can become dual SIM phones Enable tablets surf the internet anywhere 4 band Gmatespecification:Enable an Apple iPod Touch with phone featuresiPhone or Android phones can become dual SIM phonesWifiversion Pads can surf the net anywhere, anytimeFrequency: GSM 850/900/1800/1900Standby Time: 72 Hours, Talk Time: 4 Hours Discover Gmate
Brand Name: Neutral Model Number: H168 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: White/Black Effective Range: 10M Warranty: 1 Year Specifications 1.WIreless hifi audio transmission 2.LED light desing 3.Transmits up to 10 meters 4.Tiny bluetooth adapter for iPhone audio FeatureWireless HIFI stereo audio transmissionCompetible with Bluetooth 2.1Transmisson distance ≤ 10 metersPowerful bluetooth IC, more stronger compatibiltyLED lights design of front and back, more beautifulSupport iPhone/iPad/iTouchTiny bluetooth adapter for iPhone audio music transmissionCustomized logo and design accepted PaymentWe accepted payment via T/T, Western Union or PayPal, choose the one which is convenient for you.ShipmentWe usually arrange the delivery through DHL, UPS, FedEx, TNT and EMS, you can choose the courier which you prefer.WarrantyWe provide 1 year guarantee for
Specifications nice Wireless Micro USB Bluetooth Adapter 1.competitive price 2.fast delievry description
Place of Origin: Guangdong China (Mainland) Brand Name: OEM Usage: laptop or computer Output Type: Other Connection: Plug In color: white black Red orange yellow green blue purple free chose condition: brand new Support: up to 7 ACL connections and 3 SCO connections Function: Share, edit and print documents via Bluetooth Packaging & Delivery Packaging Detail: general packing or demand your requirement Delivery Detail: 3-5 working days or according your order quantity Specifications brand new Wireless USB 2.0 Bluetooth Adapter (BT-USB) 1.competitive price 2.fast delievry descriptionWireless USB 2.0 Bluetooth Adapter allows you to add Bluetooth wireless technology to your desktop or laptop. Connect the adapter to an available USB port to easily access various Bluetooth devices. The adapter provides encrypted link security and allows you to create a Bluetooth Personal Area Network with other compatible devices. Pls Note: If the descriptions are not what you need, pls let m
Specifications GF-ST10 Clssa 2 Mini bluetooth adapter COLOR:black/white Hi-speed USB 2.0 class2, Range 10m GF-ST10 Clssa 2 Mini bluetooth adapterCOLOR:black/whiteHi-speed USB 2.0 class2, Range 10m
Specifications 1. bluetooth music receiver for Iphone,ipad and android phone 2. Bluetooth v2.0 with EDR; 3. Transmits up to 10 meters away Features: 100% Brand New. Weight: about 143g(include accessories) Size:4.5 x 4.5 x 2cm Color: Black Power adapter input: 110-240V Power adapter output: 5V±0.5V,1000mA±50mA Bluetooth V2.1 for reliable Working distance: up to 10meters/ 30ft High-quality sound Play music via your home stereo wirelessly Connect to stereo or stand-alone speakers &nbs
Brand Name: OEM Model Number: 6308 Place of Origin: Guangdong China (Mainland) Associate in: 2.4GHz to 2.483GHz frequency band operation Receiving/Sending range: 0-20m / 0-65.6ft Symbol rate: 3 Mbps Power supply: USB connection Sensitivity: <-85dBM Interface: USB3.0 EDR Compliant: Bluetooth V2.0+ Bluetooth CLASS: 1/2/3 Products Status: Stock Type: USB Use: Computer Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: 3-7 days Specifications 1.USB3.0 standard 2.3 Mbps Symbol rate 3.Wireless connectivity to Bluetooth devices 4.backward compatible with 2.0/1.0 / 1.1 OUR PRODUCT FeaturesNetworking, Dial-up, and Fax. Convert non-Bluetooth PC into a Bluetooth enabled one Enabled Intuitive software user interface, without complicated settings wireless connectivity to Bluetooth headset Under the WindowsXP SP2/VISTA may from time to drive, easy to carry! Wireless connectivity to Bluetooth devices such as Mobile phones, PDAs or PCs (for data transfer) USB Interface: USB3.0
Type: Other Brand Name: koko Model Number: CX955 Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: cartons or boxes Delivery Detail: 2-5 working days Specifications 1,OEM service &Flexable customized design 2,Ex factory price Mini USB 2.0 EDR Dongle Wireless V2.0 Bluetooth Adapter Features:Plug and play, no driver needed Compact and tinyConnect to Bluetooth devices such as mobile phones , PDA or PC , for data transfer, networking, and dial-up , fax etc Enabled wireless connection to Bluetooth headset Supporting Bluetooth voice data Supporting multi languages I/O Interface: USB compliance. Input Power:USB PowerStandard: Bluetooth V2.0+EDR Class 2CHIPSET: CSRRange : 10 meters Frequency band : 2.4GHz unlicensed ISM bandPlatform: Windows XP Vista Win7 32/64Transmitter Power: Typical:+2dBmPower consumption : 80mA/5VSpectrum: FHSS (Frequency Hopping Spread Spectrum)Data Transmitter: 3M Advanced Audio Distribution Profile:&n
Specifications Place of origin: China mainland Brand: Tamgle Package: Polybag/carton Bluetooth Dongle Bluetooth Audio Adapter Specification: 1.Hardware requirements: desktop desktop computer with a USB interface2.Operating system: Windows XP/SP23.Host interface: USB2.0/1.1 / 1.04.Power supply: USB bus-powered (4.5V-5.5V)5.Bluetooth transfer speed: 3Mbps6.Bluetooth standard: Bluetooth 2.0 + EDR, compatible with Bluetooth 1.1/1.27.Bluetooth transmission distance: open space 10M8.Bluetooth application support: file transfer / HID device / stereo transmission / headphone / network access / dialup / fax / virtual serial port, some features require software support!9.Flash Disk: 128M of storage space, easy to use Highlight: *Internet Made Easy*simply Bluetooth device functions fully shown*Breakthrough XP functional limitations, more bluetooth applications*Using the latest leading 2.0 + EDR solution 1).Products Range:Wide
Specifications 1.Versatile, adjustable USB connector. 2.USB A Male to A Female. 3.Swivel and rotate action. 4. 360 degree connector design. Specification 1. Connectors: USB Type A Male to Type A Female. 2. Adjustable USB connector for use with your USB devices. 3. Swivel and rotate action allows you to connect to devices without obstructing adjacent USB ports. 4. Use with your USB WLAN adapters, Bluetooth adapters, MP3 players etc5. Ideal as an alternative to a USB extension cable. 6. Supports USB 2.0 and USB 1.1 devices We have many kinds of this type, you can choose what you need or combine them for sale. Photos About Us: Dongguan Jinyuan Electric Product Factory was established in 1998 at the Tiankeng Second Industrial Area of Hengl
Model Number: CT154 Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Retail Color Box or Air Bubble Bag Delivery Detail: 7 day Specifications Built-in Type, Single Slot design,super slim Bluetooth2.0 Module & 1 USB2.0 type A Port PCMCIA USB Bluetooth COMBO Cardbus PCMCIA To USB 2.0 + Bluetooth COMBO Cardbus with Built-in Type & Single Slot Design + Antenna + LED Are you still agonising the bulge of your PCMCIA cardbus? Take a look at our newest Built-in Type PCMCIA PCMCIA To Bluetooth2.0+USB2.0 COMBO Cardbus. Super slim, NEC chipset, VISTA compliant. Product Features:100% BRAND NEW ! Built-in Type, Single Slot design,super slim Bluetooth2.0 Module & 1 USB2.0 type A Port USB 2.0 specification compliant. Open Host Controller Interface specification for USB Rev 1.0a compliant Data transfer rate: High speed 480Mbps, Full speed 12Mbps and Low speed 1.5Mbps External antenna makes the better & steady transmission signal LED for Bluetooth stat
Place of Origin: Guangdong China (Mainland) Brand Name: Xingda Model Number: pcb for air conditioner Finished PCB Board Thickness: 0.2mm-6.00 mm(8mil-126mil) Copper Thickness: 1/2 oz min;12 oz max Min.Trace Width & Line Spacing: 0.075mm/0.1mm(3mil/4mil) Min.Hole Diameter for CNC Driling: 0.1mm(4mil) Warp & Twist: 0.70% Test Voltage: 10-300V Impedance Control: +/-10% Base Material: FR-4,FR-2.taconic,rogers, CEM-1 CEM-3,ceramic,crockery,metal-backed Surface Finishing: OSP, HASL, ENIG, ENEPIC,Immersion silver, immersion tin etc Packaging Gross Weight per Unit: 0.03 kg Package Size per Unit: 6X4X3 cm Package Type: normal packing
Place of Origin: Chongqing China (Mainland) color: black ,white ic: with two ic Packaging & Delivery Packaging Detail: 300PCS/CTN,8.5KG, 40*30*30CM Delivery Detail: 2-3 working days Specifications factory supply Wireless Bluetooth A2DP Music Audio Receiver Adapter for iPhone iPod 30-Pin Dock Speaker 1,with two ic 2. stoc New Arrival ! Wireless Bluetooth A2DP Music Audio Receiver Adapter for iPhone iPod 30-Pin Dock Speaker Features •Simply plug-n-play, no driver and software necessary•Fully supports stereo Hi-Fi audio•Support A2DP (Advanced Audio Distribution Profile) for stereo music streaming•Bluetooth 2.0 for improved interference resistance and faster pairing •Package Content: •One Bluetooth adapter •User manual •Specifications •Bluetooth version: Bluetooth v2.0 compliant •Operation Range: 10 meters Instruction : Bluetooth Music receiver – for spea
Place of Origin: Guangdong China (Mainland) Brand Name: NA Model Number: D1201 Packaging & Delivery Packaging Detail: request for details Delivery Detail: 3-5days Specifications 1.Bluetooth V4.0 class2 (also compliant Bluetooth 2.1+EDR) 2.OS supported :windows 7, vista ,xp 3.Dual-mode Bluetooth fully qualified Bluetooth V4.0 specification USB Dongle, support Dual-mode Bluetooth/Bluetooth low energy.The product supports Bluetooth® Enhanced Data Rate (EDR) and delivers up to 3 Mbps data rate for distances to 10M. KKey Features:Bluetooth V4.0 class2 (also compliant Bluetooth 2.1+EDR)OS supported :windows 7, vista ,xpPlug and playDual-mode Bluetooth low energy radio USB dongleFull speed USB 2.0 interfaceBluetooth end productBluetooth low energy Support Heart rate belt, Find me, Proximity, Generic Attribute ProfileBluetooth 2.1+EDR Support A2DP, AVRCP, DUN-GW, HSP, HFP A2DP AVTCP, FTP, OPP, Audio-GW, FAX, BPP and tec.RoHS compliant BQB, CE, CE and FCC&n
Place of Origin: Guangdong China (Mainland) Brand Name: Wishful Model Number: bluetooth adapter 1 Usage: Mobile Phone Color: black Version: USB 2.0 Symbol Rate: 3Mbps Receiving/Sending Range: 0-100m Supporting: Multi languages Net Weight: 16g Unit Packing Gross Weight: 31g Operation System: Windows98se,98se,Me,2000,XP,Vista(Not compatible with Windows 7) Packaging & Delivery Packaging Detail: Blister Packing Qty: 500pcs/ctn Carton Size: 45*34*45CM G.W:9KGS N.W:8KGS Delivery Detail: 5 days or according to order quantity Specifications 1.3.5mm Bluetooth Adapter 2.Symbol rate:3Mbps 3.Receiving/Sending range:0-100m 4.Supporting Bluetooth vioce data 3.5mm Bluetooth Adapter for PDA,PC,Mobile Phone Quick OverviewWe offer bluetooth Wireless USB Dongle Adapter Ultra slim bluetooth specification v2.0 Compliant/Interface:USB compliance/Supporting profiles:Networking. Dial-up,Fax,LAN access,and Headset. Features: Bluetooth specification v2.0 CompliantSupporting
Brand Name: OEM Model Number: BLUE-102 Place of Origin: Guangdong China (Mainland) Colour: black,blue Type of Packing: Blister Packing Package Includes: Installation CD Packaging & Delivery Packaging Detail: Blister Packing Q'ty/Carton : 250.00 pcs Carton G.W : 12.00kgs Carton Size: 60.00*32.00*38.00 cm Delivery Detail: 3-5days Specifications Bluetooth USB2.0 Adapter according to bluetooth V1.2/V2.0 standardopration frequency in 2.4GHZ to 2.483GHZ ,adopt FHSS technology opration range approximately 25M /100MSupport Windows 98SE/ME/2000/XP or Mac OS X 10.2.6 above opration system sensitive: < -85 dBM date transfer rate: 1M bps Transfer pictures from your camera phone to the PC ,use your mobile phone to transport data from PC to PC,Synchronize your cell phone&PDA with your PC wirelessly ,this dongle can communicate with all device with bluetooth QualityAll of the products are brand new, top quality electronics We offer you a wide-selection of consumer electronic product
Specifications New audio bluetooth adapter, freely enjoy the music. Unlimited Bluetooth transmission bluetooth V2.0 technology. 10meters New audio bluetooth adapter, freely enjoy the music. Paremeters: 1.Bluetooth 3.0+EDR compliant2.Typical+2dBm class 2 output power3.Audio DAC : 94dD SNR4.Build in Max, 250mAH li-ion battery charging circuit5. HSP, HFP, A2DP, AVRCP profile support6.SBC decode for Bluetooth audio streaming7. Voice prompt8. Bulid in line in interface9. NFC support10.EQ control11. don not support USB digit output mode product 1.Break model restrictionYour 30 pin Apple Acoustics will compatiable with more devices, such as iphone5, ipad4th, ipad mini, ipod touch5, ipod nano7th etc. 2.Unlimited Bluetooth transmission. Bluetooth V2.0 technology, 10 meters unlimited transmission, bread the limit of the wire, freely enjoy the music, easy to remotemusic, cheerful&happy. 3.audio Bluetooth Adapter with Apple 30 pin Audio applica
Specifications Ultra-Mini Bluetooth V2.0 USB Dongle Operation Range: 0-100m Maximum Data Rate: 3mbps Compliant with Bluetooth V2.0 & V1.2 bluetooth dongle,bluetooth adapter,bluetooth usb dongle for laptops,netbook,notebook,2.0 Introductions Features Plug and play.Convert non Bluetooth PC into Bluetooth enabled. Wireless connect to Bluetooth devices such as mobile phones , PDA or PC , for data transfer, networking, and dial-up , fax etc. Enabled wireless connection to Bluetooth headset. Supporting bluetooth voice data. Supporting multi-languages. This bluetooth adapter do not need any driver on compatible operation system. SpecificationsBluetooth specification V 2.0 & V 1.2 Compliant. I/O Interface: USB V2.0 compliance. Operation Range: 100m (Bluetooth class 1 )Built-in antennaFrenquency Band: 2.4Ghz unlicensed ISM bandMaximum Data Rate: 3MBLED status indicatorSupporting profiles: Networking, Mobile Phones, Dial-up, Fax, LAN access , and Headset. Operation system: Win
Specifications USB Bluetooth Adapter 1,manufacturer 2,fine quality 3,pretty package 4,CE,FCC.Rohs USB Bluetooth Adapter Product Description: 1)according to bluetooth V1.2 standard 2)opration frequency in 2.4GHZ to 2.483GHZ ‚adopt FHSS technology 3)opration range approximately 25M 4)Support Windows 98SE/ME/2000/XP or Mac OS X 10.2.6 above opration system 5)sensitive: < -85 dBM 6)date transfer rate: 1M bps Transfer pictures from your camera phone to the PC ‚use your mobile phoneto transport data from PC to PC‚Synchronize your cell phone&PDA with your PC wirelessly ‚this dongle can communicate with all device with bluetooth
Specifications Bluetooth usb dongle,blister pack with CD, chipset: ISSC, Broadcom,CSR or 309 Working distance: 10m, 20m or 100m Description:Bluetooth usb dongle,blister packing with CDAvailable bluetooth chipset brand: ISSC, Broadcom,CSR or 309Available version: bluetooth V2.0+EDR or V1.2Working distance: 20m or 100m Functions:l Serial Port Profilel Dial Up Networking Profilel File Transfer Profilel Human Interface Device Profilel Hardcopy Cable Replacement Profilel Object Push Profilel Synchronization Profilel LAN Access Profilel FAX Profilel &
Place of Origin: Guangdong China (Mainland) Brand Name: Dfan Model Number: DFAP023C Usage: Mobile Phone Output Type: AC Connection: Plug In Stock: 10000pcs color: black Bluetooth Standard: Bluetooth v2.0 Packaging & Delivery Packaging Detail: retail packaging Delivery Detail: within 2 days Specifications USB 2.0 Mini Smart Bluetooth Wireless Adapter For Mobile Phone PC 1.high quality 2.stock available 3.fast delivery USB 2.0 Mini Smart Bluetooth Wireless Adapter For Mobile Phone PC Features: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. MaterialEco-friendlySizePerfectly fit for Apple samsung iP
Specifications Micro Bluetooth USB Dongle (Adapter) Micro Bluetooth USB Dongle (Adapter)1)Convert non Bluetooth PC into Bluetooth enabled. 2)Wireless connects to Bluetooth devices such as mobile phones, PDA or PC, for data transfer, networking, and dial-up, fax. 3)Enabled wireless connection to Bluetooth headset. 4)Supporting Bluetooth voice data 5)Supporting Multi languages 6)Bluetooth specification V2.0 & V1.2 Compliant. 7)Supporting profiles: networking, Dial-up, Fax, LAN access, and Headset. 8)Operation system: Windows 7, Windows 98, 98se, me, 2000, XP, Vista 9)Interface: USB compliance. 10)Symbol rate: 3 Mbps 11)Receiving/Sending range: 0-100m 12) Compatible with Windows 9X /ME /NT /2000 /XP /Vista /Windows 7
Place of Origin: Guangdong China (Mainland) Brand Name: Vakind Model Number: 53984 Usage: Laptop Color: White Compliant: Bluetooth v4.0 Interface: USB Compliance Chip: CSR Packaging & Delivery Packaging Detail: Single Blister Delivery Detail: 3-5 working days after payment Specifications 2.Receiving / Sending range: 0-20m 3.Stock available 4.Portable to carry Description as following: Authorized by IVT Corporation, compliant with Bluetooth v4.0Supporting Profiles: Networking, Dial-up, Fax, LAN Access and HeadsetOperating System: Windows 98/98 SE/ME/2000/XP/VISTA /WIN7/WIN8Interface: USB ComplianceReceiving / Sending range: 0-20mSupporting Bluetooth voice dataSupporting Multi languagesTure Plug & PlayChip: CSR Includes: 1 x Mini USB Wireless Adapter Dongle
Specifications Bluetooth Specification V2.1+EDR, Class 1, up to 150 Meters.Built-in Battery Management System (Power Input & Charge) Bluetooth Specification V2.1+EDR, Class 1Operation Range up to 150 Meters.Supports Bluetooth Serial Port Profile (SPP)Provides transparent RS232 serial cable replacement.Supports Baud Rate 1.2k to 921.6k bps. Easy to use Windows configuration tool available.Supports UART interface.Supports CTS / RTS hardware flow control.Customized features support for pairing mode, device name, PIN code….Supports Bluetooth SPP as a slave or a master.Supports Bluetooth Auto Reconnect.Built-in Battery Management System (BMS - Power Input & Charge) to work with battery pack. Description Bluetooth to RS-232 Serial Adapter w/BMS Bluetooth Profile Series Port Profile (Bluetooth SPP)Standard Bluetooth specification version 2.1+EDRFrequency 2.402GHz ~ 2.480GHz unlicensed ISM bandHopping&nb
Specifications Bluetooth Adapter for Speakers Compatible with Multimedia Devices Stereo Sound Super Bass System FCC/CE/ROHS Fanntech Bluetooth Speaker - FT202 Portable Speaker Bluetooth Adapter for Speakers Compatible with Iphone 4 Bluetooth HeadsetBand new design rechargeable Stereo Mini Bluetooth Speaker for Smartphones and tablets as well as non-bluetooth devices connected through the line-in cable. Features:Stereo Bluetooth Hi-fi systemWireless music streaming loud volumeEngineered for exceptional clarity of sound2pcs together with main speaker and dependent speakerPowerful built-in amplifier for a surprisingly loud volume without distortion.Compatible with non-bluetooth devices connected through the line-in cable400 mAh high-capacity Lithium battery for up to 6 hours continuous playback (Line input up to 10 hours)Line input for wired playbackCompatible with all devices featuring bluetooth or a 3.5mm jackBluetooth protocol: 2.1 + EDRSpeaker output power : 4Ω 2W+2W