High Definition Support:NoneContent:Audio&Video WIFI Standard:None Wireless Type:bluetooth Sound Track:Single Interface:USB Origin:Mainland China Certification:CE Bluetooth 5.0 : Enjoy faster and more stable connections with the latest Bluetooth 5.0 technology. Wireless Connectivity : Say goodbye to tangled wires and enjoy the freedom of wireless connectivity. USB Interface : Connect to your computer or other devices easily with the convenient USB interface. Removable Design : Easily upgrade your computer's Bluetooth capabilities without the hassle of soldering. Specification Bluetooth version: 5.0 Transmission distance: 20m Transmission rate: 3Mbps Compatibility: Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0 Support system: Windows7/Win8/8.1/Win10/Win11 (Win8/10/11 driver free) Notice Support computer connection: Bluetooth headset/speaker, Bluetooth mouse/keyboard, Bluetooth mobile phone, gamepad, etc