Importer520 5pcs Mini Semi-circle Shape USB2.0 Bluetooth Wireless Dongle Adapter for Windows 98, 98 SE, ME, 2000, XP, Vista, Win 7 Bluetooth V2.0 specification compliance Qty : 5 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 ***