MOUKOU(TM) Micro USB Bluetooth CSR 4.0 High Speed Micro Wireless Receiver Compatible with Laptop, Computer, Cell Phones, Stereo headphones, speaker and other Bluetooth Enabled Devices Latest Class 2 Bluetooth 4.0 Smart Ready Adapter, low energy, dual power. (Also Compatible with Bluetooth 1.0, 2.0 and 3.0) USB Bluetooth Dongle Offers High Speed Up To 3mbps Wireless Transmitter Enables Long Range Connectivity Up to 20m. Easy Solution for your Computer to Communicate With Bluetooth Enabled Devices Such As Cell Phones, headphones, Bluetooth Headsets, Bluetooth Speakers, Printers and More. Compatible with 64 bit and 32 bit Windows 8 and Windows 7/Me/ Windows Vista / 2000 / XP. All products by MOUKOU are exclusively sold and distributed by MOUKOU