Bluetooth Dongle, Bluetooth adaptor

Specifications:
1) Compliant with the Bluetooth V2.0 specifications
2) Class 1/2 operation
3) Supports audio transmission among the devices
4) Powered by PC
5) Full speed USB interface
6) LED status software upgradeable
7) Built-in antenna
8) Frequency band: 2.4GHz ISM band
9) Max. Rate: 1Mbps
10) Sensitivity: 89dBM 0.1%BER
11) 20 / 100m working distance
12) Profiles: Dial-up networking/Local Area Network
13) Access/Fax/Serial Port/Synchronization/File
14) Transfer/Generic Object Exchange