OT-B01:
1) Bluetooth V2.0+EDR / Bluetooth V1.2 spec
2) Supports the audio transmission among the devices
3) Powered from the PC
4) Full speed USB interface
5) LED status software upgradeable
6) Built-in antenna
7) Frequency band: 2.4Ghz ISM band
8) Max. rate: 1Mbps
9) Sensitivity: 89dBM 0.1%BER
10) 100 meters working distance
11) Profiles: dial-up network / local area network
12) Access / fax / serial port / synchronization / file
13) Transfer / generic object exchange