USB 2.0 BLUETOOTH adapter:
Standard: Bluetooth V2.0
Frequency: 2.4~2.48 GHz
Symbol rate: 3Mbps
Antenna: Integrated

USB 2.0 BLUETOOTH adapter:

Detailed Product Description
USB 2.0 Bluetooth adapter,Simultaniously connect Bluetooth devices such as a mouse, speaker,mobile. 

New MINI USB 2.0 BLUETOOTH WIRELESS DONGLE ADAPTER

Simultaniously connect Bluetooth devices such as a mouse, speaker,cellphone,printer, mobile. digital photoframe,Bluetooth headset or another PC

The Bluetooth USB 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 Vista

Bluetooth V2.0 + EDR compliant, backward compatible with v1.2 and 1.1

USB interface fits both Desktop PCs and Notebooks

Internet Access sharing

Enables communication with Bluetooth Mobile Phones

Protocol Bluetooth host controller, L2CAP, SDP, RFCOMM

Logic for forward error correction, header error control, access code correlation, CRC, demodulation, encryption bit stream generation, whitening and transmit pulse shaping. Supports all Bluetooth v1.2 Features including eSCO and AFH

Bluetooth Profiles Supported: A2DP, Generic Access, Service Discovery Application, Serial Port, Dial-Up Network, Fax, File Transfer, LAN Access, Synchronization, Object Push, Generic Object Exchange, and Headset

No cabling required

USB bus powered; no need for external power supply

Specification:

Standard: Bluetooth V2.0

Frequency: 2.4~2.48 GHz

Symbol rate: 3Mbps

Antenna: Integrated

Receiving / Sending rang: 0 ~ 100 m

Dimensions: 22mm x 18mm x 7mm

Enhanced Data Rate (EDR) compliant for both 2Mbps and 3Mbps modulation