HDE Bluetooth v4.0+EDR Adapter Dongle Ultra Mini USB 2.0 Wireless Converter with Integrated Antenna for Windows and Linux Adds Bluetooth 4.0 support to Windows 7/8/10 and Linux Supports Bluetooth keyboards, mice, headsets, speakers, cell phones, tablets, and more Compact and lightweight design, integrates with any computer to feel like a built-in device CSR 4.0 chip set with low energy technology and dual-mode Bluetooth supports data transfers at speeds up to 25Mbps Backward compatible with earlier versions of Bluetooth 2.0 Bluetooth 2.1 Bluetooth 3.0, easily pick up any Bluetooth device