Komingo Bluetooth CSR 4.0 Dongle Mini USB Wireless Bluetooth Adapter Plug and Play Support Voice Data 1.Low-power dual mode USB Bluetooth. 2.Support 1.2/3.6V input and output. 3.Support Bluetooth voice and data transmission. 4.Plug and play,Support for multiple languages. 5.The Internet and LAN interface,support for mouse and keyboard.