SODIAL(R) Bluetooth v4,0 Adapter Dongle Dual Mode USB 2.0 Wireless Window7 Vista XP Highlights & Details support Bluetooth Class II standard, extend the reach Support Wake-on-Wireless and Wake on Bluetooth, so that the terminal saves investment power. Meeting the standards of Bluetooth 2.1 + EDR, 3.0 + HS and 4.0 LE Operating System: Windows 7, Vista, XP