Bluetooth Adapter With Antenna (OT-B01) 1: Compliant with the Bluetooth V1.1 specification 2: Class 1 operation 3: Supports the audio transmission among the devices 4: Powered from the PC 5: Full speed USB interface 6: LED status Software upgradeable 7: Built-in Antenna 8: Frequency band: 2.4Ghz ISM band 9: Maximum rate: 1Mbps 10: Sensitivity: 89dBM 0.1%BER 11: Real 100 meter working distance 12: Profiles: Dial-up Networking / Local Area Network 13: Access / Fax / Serial Port / Synchronization / File 14: Transfer / Generic Object Exchange Neuter,OEM