Compliant with Bluetooth spec.V1.2 Compliant with USB spec.1.1 0dBm Class 2 output power Sensitivety:Better than ?80dBm 20 meter working distance Support 79 channels Transmission rate:1Mbps OS supports Windows 98/98SE/2000/ME/XP and later Support point-to-point(Piconet)and point-to-multipoint connections