Bluetooth Class 2, 20 meters(in open space) Carrier Frequency: 2.4 ~ 2.483GHz Data Rate: 1 Mbps Spread Spectrum: FHSS (Frequency Hopping Spread Spectrum) Modulation Method: GFSK (Gaussian Frequency Shift Keying) I/O Interface: USB version 1.1 Input Power: DC 5V (USB Power) Sensitivity: < 0.1% BER at -80 dBm Single LED RF Output Power: 0 dBm (typical) System Support: Windows XP/2000/ME/98SE/Vista Bundled Bluetooth Software: IVT BlueSoleil Advantage Functions: Serial Port Profile Dial Up Networking Profile File Transfer Profile Human Interface Device Profile Hardcopy Cable Replacement Profile Object Push Profile Synchronization Profile LAN Access Profile FAX Profile Personal Area Networking Profile Advanced Audio Distribution Profile Basic Imaging Profile