Cosmos Universal Mini Broadcom Bluetooth 4.0 Low Energy USB Dongle Adapter Receiver for Windows 8 / Windows 7 / Vista / XP Fully compliant with Bluetooth 4.0 and prior version Compatible with 32 bit and 64 bit Windows 8 / 7 / Vista / XP Communicate with cellphone, tablet, speaker, keyboard, or mouse etc Easy installation, including CD drivers