Coocheer Wireless Bluetooth 4.0 USB Adapter Mini Universal Plug for Windows 7 8.1 XP Vista High Speed 3Mbps Upgrades Bluetooth support for Windows XP/ Vista/ 7/ 8/ 8.1; Windows 8 or Higher System, Support A2DP Bluetooth Stereo Playback & EDR - No additional drivers are needed (with built-in drivers / CSR Harmony CD, drivers not needed for most common profiles) Mini USB Bluetooth 4.0 Low Energy Micro Adapter USB Wireless Bluetooth Dongle, Plug and play Bluetooth USB adapter creates cable-free connections between your PCs and other Bluetooth Universal portable serial USB interface: USB2.0/3.0. Supported Devices:Wireless Bluetooth keyboards, mice, headsets, speakers, printers, modems, serial devices, phones, and more. Dual-mode bluetooth voice and data, compact USB Class 1 Low Energy Bluetooth Adapter. Designed for maximum compatibility, small size, and low power upgrades Windows PCs with the latest Bluetooth 4.0 support Provide transmission rate up to 3Mbps and transmission distance up to 33ft/ 10m (In free space without interference)