Features: 1) Bluetooth V2.0+EDR / Bluetooth V1.2 spec 2) Bluetooth V2.0+EDR: 2Mbps and 3Mbps 3) Output power: 0dBm Class 2 4) Sensitivity: better than 80dBm 5) 40~100 meters working distance 6) Transmission rate: 723Kbps (V2.0: 2 ~ 3Mbps) 7) OS supports Windows 98 / 98SE / 2000 / ME / XP and later version 8) Supports point-to-point (Piconet) and point-to-multipoint connections