Bluetooth Standard; V1.2 Interface:USB V1.1 Rang:20M(Class 2);60M(Class 3);100M(Class 1) Above(Open Space) Modulation Method:GFSK(Gaussian Frequency Shift Keying) Spread Spectrum:FHSS(Frequency Hopping Spread Spectrum) Frequency Band:2.4~2.4835Ghz OS Support:Win98SE,ME,2000,XP Regulation:FCC,CE,BQB Maximum data rate:1MB Applications:Serial Port,Dial Up Networking,Fax,Headset Function,PIM Item Transfer,PIM Synchronization,File transter,Network Access,Audio Gateway,HID