Importer520 USB Micro Mini Bluetooth Adapter, Class 1, V2.1 + EDR Bluetooth V2.0 specification compliance Enable Bluetooth capabilities on your PC by simply plugging this compact adapter into an available U Data Transfer Rate up to 3Mbps Working distance up to 20 meters with no obstructions Compatible with Windows Vista 32/XP/2000/Me/98 *** Bulk Package ***