High Speed Bluetooth 4.0 Adapter Nano BT Mini USB 2.0 Stick V4.0 EDR Dongle Bluetooth 4.0 allows transmission at high speed Supports USB 2.0 and 3.0 interface Max. Range: 20M Data Transfer: 3 Mbit / s Suitable for Windows XP, Vista, Windows 32/64 bit 7,8,10 etc.