Specifications 1.Bluetooth V2.0/V1.2 compliant. 2.Systems supported: Windows 98SE/2000/ME, Windows XP, Windows Vista, Win7. Description:Features:Brand new and high quality.It enables computers to communicate with any Bluetooth peripherals (such as computers, PDAs, mobile phones, printers) wirelessly.Bluetooth V2.0/V1.2 compliant.Interface: USB comliance.Operation range: 0-100m.Build-in antenna.Symbol Rate: 3Mbps.Systems supported: Windows 98SE/2000/ME, Windows XP, Windows Vista, Win7.Size: 5.1cm x 2.6cm x 0.9cm - 2inch x 1.02inch x 0.35inch. Package Included:1 x USB Bluetooth Adapter
Type: Code Reader,car code scanner Voltage: 24v Power: 12w Certification: ce Applicable Models: all obd2 cars Place of Origin: Guangdong China (Mainland) Brand Name: xtool Model Number: iobd2 cars: all obd2 compliant cars software: free update forever warranty: one year weight: 0.5kg Packaging & Delivery Packaging Detail: carton Delivery Detail: two business days Specifications Apple MFi licensed bluetooth module support both iOS and Android devices software update free one year warranty What is iOBD2 MFi BT?iOBD2 MFi BT is a wireless diagnostics system for car engine. It combines of an MFi Bluetooth OBD II adaptor that communicates with iOS and Android devices by Bluetooth and a slick app for iOS and Android systems. It makes your smartphone or tablet into a slick display to monitor the health of your car engine. How can iOBD2 help you? Ensure the health of your car engineiOBD2 talks to your car through the OBD2 port which normally locates under the steering wheel. W
Place of Origin: Guangdong China (Mainland) Brand Name: DK LINK Packaging & Delivery Packaging Detail: blister package Delivery Detail: deliverred in 5 working days after receipt the deposit Specifications USB Bluetooth Adapter *Plug and play *Transmission rate to 1Mbps *Transmission:0-100m Bluetooth USB AdapterSpecification:*Bluetooth V2.0 compliant*USB UHCI/OHCI spec 2.0 compliant*Operation range:0-100m(Bluetooth class1)*Built-in antenna*LED status indicator.*Frequency band:2.4GHZ unlicensed ISM band.*Maximum data rate:1MB.*Sensitivity:-89Dbm 0.1%BER Software SupportWindows 98/98SE/MEWindows2000WindowsXPWindows Vista Language Support Below:English,Dutch,French,Portuguese,Spanish,Japanese,Chinese,Germa
Specifications 1. For iTouch+Gmate=iPhone like Peel 520 2. For iPhone+Gmate= Dual SIM Dual Standby like 2Phone 3. For iPad+Gmate= iPad 3G pocketmate bluetooth dual sim transformer dual standby adapter 1. For iTouch+Gmate=iPhone like Peel 520 2. For iPhone+Gmate= Dual SIM Dual Standby like 2Phone 3. For iPad+Gmate= iPad 3G Key Advantages:
Place of Origin: Guangdong China (Mainland) Brand Name: JT Model Number: JT-CAS-014 Usage: Mobile Phone Output Type: DC Connection: Plug In Packaging & Delivery Packaging Detail: Standard/Customized Delivery Detail: 3-14 days Specifications It used connect your cellphone or music equipment to car cassette play music while your car is old without CD and bluetooth. How to play your cellphone music while there no bluetooth in your old car? Our iCassette can connect your MP3,MP4,DVD,MD,VCD,PDA, etc to your car cassette player and play your hand-held equipment music, so you can enjoy the Hi-Fi music in your old car! MP3 ,MP4 and your cellphone can save as many musics as your want, just using iCassette, you can play it by car speaker, it no need do any chage for your car. It is very simple to use, iCassette provide 3.5" stereo connector for your hand-held products like cellphone , just put iCassette in your car cassette holder, your car will play your ce
Specifications Mini USB 2.0 Bluetooth Dongle Adapter Color: black Item Dimension: 23x14x6mm Net Weight: 19g Tiny USB 2.0 Bluetooth V2.0 EDR Dongle Adapter Product Description
Specifications 1,bluetooth adapter 2,CSR chip 3,USB 2.0/class two 4,logot printing 5,Applicable to CE,ROHS bluetooth adapter Specifications Standard: Bluetooth 2.0, EDR, Class IIPlatform: Windows 2000, XP, Vista, Mac OSInterfaces: USB 2.0Operating Range: 20 meters (66 feet)Frequency: 2.4GHz~2.4835GHz ISM BandTransmitter Power: +2 dBm(class II)Receiver Sensitivity: -80 dBm @0.1%BERPower consumption: 70mA(working)Data Speed: Up to 3 MbpsOperation Temperature: -10 ~ 55 degree CStorage Temperature: -20 ~ 65 degree CHumidity: 10% ~ 90% non-condensing.DC Power(Supply Voltage): 5V from USB Packing details:
Specifications laptop charger 1.Input AC110-240V or DC12V 2.output DC12V,15V,16V,18V,19V,20V,22V,24V 3.Output DC5V (USB4P) with car charger Car laptop power adapter 100w USB output family is availableProduct name ND-208 desktop adapter (output voltage can change)Application : MP3, MP4, mobile phone , LCD, laptop power,computer,carOperating temperature 0 - +45Humidity 0% - 70% L * W * H 112 * 64 * 25.5mmPower indicator light :eight Voltage indicator light with one colour 1:8 input suffix AC power cord (plug can be customized according to customer demand, such as: United Kingdom AC line regulations, the U.S. regulatory AC line, AC line in the regulations, EU regulations AC line, AC line regulation Australia, South Korea Regulation AC line, etc.)2: with Car chargerOutput port 1: Multifunctional wiring (conventional notebook computer interface common on the market) 2: Standard USB4P, for MP3, MP4, mobile phone charger and other pro
Model Number: AWUB2427 Specifications Wi-Fi & Bluetooth wireless connection simultaneously 54Mbps Wi-Fi data-rate & 3Mbps Bluetooth data rate up to 300m range Features · Wi-Fi and Bluetooth wireless connection simultaneously · Patented technology for Bluetooth and Wi-Fi 802.11b/g coexistence · Up to 54Mbps Wi-Fi data-rate & 3Mbps Bluetooth data rate · Wi-Fi range: indoor 100M; outdoor 300M(open space) · Compatible with Bluetooth Class 1.0, Range: 100M · USB 2.0 interface and UPnP · Support 64/128-bit WEP encryption, WPA/WPA2 for Wi-Fi security · &n
Model Number: GT-BTD-19T2 Place of Origin: GUA,Guangdong, China China (Mainland) Interface: USB Range: 20m Type: Bluetooth Frequency: 2.4-2.483GHz Packaging & Delivery Packaging Detail: blister packing 350pcs/ctn Ctn Size: 48x40x32cm N.W: 8.4kgs G.W: 9.4kgs V.W: 12.5kgs Delivery Detail: 5 days Specifications bluetooth usb donge ISSC Original Chipset 20m operation range IVT2.7 software Bluetooth Standard v2.1+EDR bluetooth USB dongle/bluetooth adapter/bluetooth device/usb adapter,bluetooth usb adapterSpecification:1. Bluetooth USB dongle2. Operation range: 100 meters (class 1) 3. Carrier Frequency: 2.4-2.483GHz4. Spread Spectrum: FHSS5. Data Rate: (Bluetooth v1.2) 1Mbps or (Bluetooth v2.0) up to 3Mbps 6. I/O Interface: USB v1.1, 2.07. Input Power: DC 5V, USB Power8. Sensitivity: (Bluetooth v1.2) <0.1% BER at -80 dBm(Bluetooth v2.0) <-85 dBm (typical), GFSK9. LED Indicator: Single LED10. Net Weight: 2g11. Gross Weight: 24g 12. Single address code13. IVT 5.0 software,Blue
Specifications BLUETOOTH DONGLE BEST SERVICE HIGH QUALITY CHEAPTER PRICE NEW 2.0 PC USB Bluetooth Dongle, Bluetooth Adapter 100M DONGLE EDR ADAPTER FeaturesThe USB Bluetooth Dongle allows a computer with a USB port to communicate with others Bluetooth-enabled devices wirelessly Effortless collaboration in file and information sharing True Plug & Play in XP and VistaBluetooth V2.0 + EDR compliant, backward compatible with v1.2 and 1.1USB interface fits both Desktop PCs and Notebooks Internet Access sharing Enables communication with Bluetooth Mobile PhonesProtocol Bluetooth host controller, L2CAP, SDP, RFCOMM Logicfor forward error correction, header error control, access codecorrelation, CRC, demodulation, encryption bit stream generation,whitening and transmit pulse shaping. Supports all Bluetooth v1.2Features including eSCO and AFHBluetooth ProfilesSupported: A2DP, Generic Access, Service Discovery Application, SerialPort, Dial-Up Network, Fax, File Transfer, LAN Access, Sy
Brand Name: ANKAKA Model Number: C20731 Place of Origin: Guangdong China (Mainland) Standards: Bluetooth specification V2.1 compliant Frequency: 2.4Ghz-2483GHz ISM Band Distance: 10m (open space) Charging time: About 2 hours Audio Connector: Audio Stereo jack 3.5mm Power Supply: built-in rechargeable polymer lithium battery Dimensions: 50*50*15 mm Packaging & Delivery Packaging Detail: Neutral Package Delivery Detail: 3-7days Specifications 1. Wireless Bluetooth Audio Music Receiver 2. Play music wirelessly 3. Four buttons for easy control Wireless Bluetooth Audio Music Receiver Adapter Stereo for iPhone with Answer Call FunctionHow To Inquire About Wholesale Discount Prices of This ProductVisit: http://www.ankaka.com/wireless-bluetooth-audio-music-receiver-adapter-stereo-for-iphone-with-answer-call-function_p49059.htmlPrices offer on www.ankaka.com website are final for small order quantity.Ankaka offers price-matching on all our products. When we are shown a website with the same it
Brand Name: DOSS Model Number: DS-1168 Type: Active Use: Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) speaker: bluetooth speaker Packaging & Delivery Packaging Detail: gift-box Delivery Detail: 20 days Specifications Black mini Portable Rechargeable Stereo loud Bluetooth Speaker for iphone,ipad and computer Bluetooth speaker Hot Bluetooth 2.1 Metal Speaker & Portable Power Adapter for iPhone/iPad/iPodSKU: DS-1168Brand: DOSSSpecial function Can pick up phone calls and The Charger can have fuction of Mobile PowerBluetooth® and SpeakerphonePlay and control music wirelessly from iPad, iPhone, iPod touch, MacBook or many others viaBluetooth®. Use the slider button to pick up phone calls and pair with devices.USB Power and Stereo InputIntegrated USB power port works with standard USB power supplies and a 3.5mm aux input allowsco
Brand Name: teoti Model Number: BT-1 Place of Origin: Guangdong China (Mainland) Supported Profiles: A2DP V1.2, AVRCP Battery: Built-in Rechargeable Lithium battery Charging Interface: Charging Interface Working Range: 10 m Input Voltage: DC5V Charge Time: 2 hours Indicator: LED Blue Dimensions: 60mm*35mm*15mm Net Weight: 20g color: black and white Packaging & Delivery Packaging Detail: blister covered with PE bag,and color box packaging Delivery Detail: 20 Specifications 3.5 mm bluetooth audio adapter Mic for talking,connect cell phone 3.5mm line-in for earphone BQB Cert,ROHS Brief Introduction: 1,The BT Music Receiver simply connects to the Line-In or Aux port on your home speaker system.You can then stream audio from your Bluetooth enabled cell phone or MP3 player to your speaker system.Enjoy the convenience of having your music source in the palm of your hand and listening to it through your home stereo. &
Place of Origin: Guangdong China (Mainland) Brand Name: CUBIX Model Number: BM-2221 Usage: Mobile Phone Specifications Waterproof cap Lightest in the world, less than 1 gram USB to Bluetooth Dongle Universal HID application Unique&Slim Bluetooth Original Dongle BM-2221, Compatibility with Bluetooth 2.1. It makes wireless connection very easy, which is to be connected to the USB port of the computer to add the wireless feature to any facilities/devices with built-in Bluetooth function. Therefore, you can transfer files, browse the Internet, download & send e-mails, transfer videos, pictures & music. Main design ideas and product features:- Exquisite- Enjoying the freedom of wireless communication- A quick speed transmission for data transfer, voice transfer to make us enjoy colorful life more easily.- Compatibility with V2.1+EDR enabled Bluetooth devices, Class2- Most elegant and ultra light design- Reduce power / battery consumption- Better security- Main chip : CSR B
Place of Origin: Guangdong China (Mainland) Brand Name: longood Model Number: BTD-006 Packaging & Delivery Packaging Detail: blister card packing Delivery Detail: 2days Specifications Bluetooth Adapter Bluetooth Class II: 20 meters (in open space) Carrier Frequency: 2.4 ~ 2.483GHz Data Rate: Up to 3Mbps General RadioBluetooth Class II: 20 meters (in open space)Carrier Frequency: 2.4 ~ 2.483GHzData Rate: Up to 3Mbps (The maximum operating range depends on the environmental factors.) Bluetooth StandardBluetooth v2.0 + EDR Spread SpectrumFHSS (Frequency Hopping Spread Spectrum)Modulation MethodGFSK (1Mbps), ¦Ð/4-DOPSK (2Mbps)8DPSK (3Mbps)I/O Interface USB version 1.1Input PowerDV 5V (USB Power) Sensitivity-82 dBm (typical), GFSKRF Output Power13 dBm (typical), GFSKSystem SupportWindows XP/2000/ME/98SEDimensions51.0 * 16.0 * 8.0 mmLED IndicatorSingle LED Bundled Bluetooth SoftwareESR BlueManager(Language Supported: English, Simplified Chinese, Traditional Chines
Color:: black, white, pink, green, blue, orange Standby time:: 72-100 hours Memory:: support TF card extend to 8GB maximally Size:: 77*34*12mm SIM:: single SIM card Style: In-Ear Connectors: USB Use: Mobile Phone Function: Bluetooth Communication: Wireless Packaging & Delivery Packaging Detail: Hueway packing, Print tint packing, customized packing, neutral packing Delivery Detail: 3 to 7 working days after the receipt of you payment Specifications 1Color: black, white, pink, green, blue, orange 2.Concept of mobile phone mobile phone pocket Mini mini mobile phone new 2011 Concept of mobile phone mobile phone pocket Mini mini mobile phone new 2011 Basic parametersScreen parameter1 OLED HD full view displayLanguage support simplified Chinese, traditional Chinese, English hot selling bluetooth Ultra Mini Mobile Phone 1.0 inch OLED display screen MP3, FM radio, Bluetooth Melrose M001 Ultra Mini Mobile PhoneSupport FM radio, MP3Support Bluetooth functionSix Color
Specifications bluetooth stereo audio adapter 1.Music play buttons 2.1.5M USB charge cable 3.USB car charger 4.Warranty:1 year car bracket fm transmitter adapter Product Certification: ROHS, CE, FCC, BQBProduct Description:Currently, Tablet PC is hot-selling, especially for the Apple IPAD. Other companies also followed this trend to launch a wide range of Tablet PCs for getting profit from market.Listening to music can release the tension and also has a supporting role in improving traffic safety during the driving. Radio is set up with the vehicle standard in all kinds of car stereo radio and it is th
Specifications Gmate Bluetooth Transformer Dual SIM adapter for android 1.new design 2.for iphone/ipad android 3,high quality Products Description: introduction: Products: Gmate is a small communications products, users can insert any GSM SIM card, so that most Apple IOS and Android devices through a Bluetooth connection with voice calls, SMS and Internet access capabilities. Advantages: 1 * phone features allow Apple iTouch 2 * iPhone or Android phones become dual sim mobile phone * iPad or android Pads can surf the Internet anytime * Gmate is small and can be covered up, so you can use it with other equipment of the open Gmate Bluetooth Transformer Dual SIM adapter for android 1.new design2.high quality 3 for iphone /Android4,buletooth Photos: About USOur company was established in 2002, located in Guangzhou City,
Specifications gmate insert any GSM SIM card to add voice calls,SMS and Internet access for the most iOS/Android devices remotely via Bluetooth ES-IP002 Gmate Bluetooth Transformer Adapter Gmate is a tiny companion device that users can insert any GSM SIM card to add voice calls, SMS and Internet access for the most iOS/Android devices remotely via Bluetooth. With simply insert any GSM SIM card, enable an for apple Touch with phone features with the addition of voice calls, SMS and Internet access via Gmate's GPRS/EDGE. Make for iPhone or Android phones become dual SIM phones for iPad or Android Pads not only can surf the Internet anywhere, anytime, but also can make phone calls/SMS. Stylish and small to simply place Gmate in your pocket or bag. Powered by rechargeable battery (included) Apple device needs to be Jailbroken. Specs: Android Supported: iOS 4.0+(Must with installed Cydia) GSM Quad Band: 850/900/1800/1900 MHz SIM Card: 1 Push-Push SIM Card Slot USB Port: Micr
Place of Origin: Guangdong China (Mainland) Brand Name: ORICO Model Number: BTA-401 color: black chipset: CSR8510 transefer distance: 20m Interface: usb2.0 Packaging & Delivery Packaging Detail: 1pc/ plastic box Delivery Detail: within 4 weeks Specifications Chipset: CSR8510 Portable and exquisite 20m transmission distance, strong signal Data rate: 3Mbps transfer performance Product name: Mini USB Bluetooth 4.0 adapterProduct Model: ORICO BTA-401Color: Black Product Introduction BTA-401 is a brand-new Bluetooth 4.0 adapter released by ORICO, it support USB2.0 interface. With the CSR8510 chipset, and go with the CSR Harmony drive software. Product Features Chipset: CSR8510Conforms to Bluetooth 4.0 technology specification, dual mode transmissionDownward compatible with Bluetooth 2.0, 2.1, 3.0 specificationPortable and exquisite20m transmission distance, strong signalData rate: 3Mbpstransfer performance Product specifications Na
Usage: Mobile Phone A brand-new: unused, unopened, undamaged item in its original packaging Packaging & Delivery Packaging Detail: anti-static bag+bubble bag+customised box+carton Delivery Detail: 1-2 working days upon full payment Specifications The newest data Charge Cable for iPod,iTouch,iPad&Android 1.top quality & competitive price 2.100% new and working well Skyroam Black Gmate+ Plus Bluetooth SIM adapter for iPod,iTouch,iPad&Android 1. 100% Brand New2.Best quality, factory supply ,comptitive price, fast delivery!3.Each part is tested before shipping and 100% working. 4. All Screens are QC Passed.We are not responsible for any damage caused by installation of this item.Due to the complexity for iPhone structures, suggest you that seek the professional for dismantling your phone, otherwise it may be easy broken.Returns:1. If you are not satisfied for any reason (Broken, Defective, Purchased in error) please contact us within 3 days after
Place of Origin: Guangdong China (Mainland) Brand Name: Netural Model Number: SM-BA01 Specail feature: Wireless, Portable, Mini Bluetooth rate: 2.402-2.480GHZ Maximum power transfer: grade2,4DBM Receiving sensitivity: 85DBM Transmission range: 10M Transfer rate: 115200BPS Active power: <55MA Sleep mode: <10MA Battery capacity: 180MAH Product size: 62*28*13MM Packaging & Delivery Packaging Detail: gift box:108*70*30 Delivery Detail: 1-2workdays for sample,3-5days for 100pcs Specifications 1.Newly Stereo Bluetooth Adapter 2.Transmission range 10M 3.Continuous use time:5 hrs 4.Use for iPhone/iPad/TV 5.3.5mm jack Portable Stereo Bluetooth AdapterTraveling Mini Bluetooth Wireless Speaker home StereoStereo Bluetooth Transmitter Audio Home StereoPortable car audio bluetooth adapter Nowadays more and more tablet PCs, smart phones, notebooks come into market. These powerful products are multi functional such as play music, play games, play
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
Specifications Bluetooth to RS232 serial adapter with male connector and AAA battery power Wireless RS232 cable replacement: use to replace cables or where cabling is not possible or practical Bluetooth v2.0 compliant, FCC, IC, CE certified, RoHS 100 M range (Class 1 Bluetooth) RN-270F = Female DB9 connector. RN-270M = Male DB9 connector External switch settings for easy master/slave pairing Standard Bluetooth Serial Port profile Up to 10 hours of usage from two AAA batteries
Specifications RS232/RS485/RS422 Bluetooth serial port adapter, and will RS232/485/422 interface transparent converted to a Bluetooth Wireless. RS232/RS485/RS422 universal serial Bluetooth serial port adapter, and will RS232/RS485/RS422 interface transparent converted to a Bluetooth wireless transmission without the need to modify the original software serial communications. 2.4 GHz radio frequency hopping design, serial support 1.2Kbps~460.8Kbps baud rate, Bluetooth wireless communication distance 300m (broaden zone), 9~ 40VDC voltage power supply, for industrial design strong. Product characteristics and key technical indicatorsBluetooth band:2.40GHz 2.48GHz, ISM band.Bluetooth protocol: Bluetooth v1.2Power ratings:Class1 (+ 20dBm)Received sensitivity: 85dBmBluetooth communication distance: 300 m (broaden), after the high-gain antennas on matching up to 800 m (broaden)power supply voltage: wide 9-40VDC voltage power supply, power consumption of about 1W, the product internally
Specifications manufacturer for bluetooth dongle, wireless adapter Product DescriptionTerrific light and flat Easier intervention and data transfer Wireless connection with aerial Supplementary standard Bluetooth 1.1 and 1.2 Range of transmission: Up to 100 meter! (Bluetooth class 1) Frequency volumn: 2.4 GHz~2.4835GHz Max. Of transmission rate: 723kbps Plug & Play, support Windows 98/ 98SE/ ME/ 2000/ XP FunkLAN standard: IEEE 802.15 Bluetooth 128bit encryption No additional battery needed
Specifications bluetooth usb adapter dongle 1)Super mini 2)CST CHIP 3)Fast delivery mini bluetooth usb adapter dongle1)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)Supporting profiles: networking, Dial-up, Fax, LAN access, and Headset. 7)Operation system: Windows 98, 98se, me, 2000, XP. 8)Interface: USB compliance. 9)Symbol rate: 3 Mbps 10)Receiving/Sending range: 20m 11)Compatible with Windows 9X /ME /NT /2000 /XP /Vista /Windows 7
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
Place of Origin: Guangdong China (Mainland) Model Number: LY-18F Usage: Mobile Phone Type: Bluetooth Specifications New Smart 2.0 Bluetooh Dongle, blister packing, no need driver. Features: Bluetooth version 2.0 USB UHCI/OHCI 2.0 compliant Working range up to 10-30m(CLASS2) Works with Bluetooth-enabled mobile phones Suitable for information exchange between PC / PDA / mobile phones and Bluetooth receivers Driver no need ,class 2 standard Two kinds of chipset, CSR/BROADCOM, different prices,different choice.