Bluetooth adapter 5.1Shuwosmart usb bluetooth adapter 5.1 adopts the 2022 latest Bluetooth 5.1 chip,compared with Bluetooth 5.0, it has better connection stability and anti-interference ability, and effectively reduces the possibility of transmission loss and signal interruption caused by interference in 2.4Ghz frequency band. Supports Bluetooth speaker, headset, keyboard, mouse, PS4/5 controller, etc. (Not suitable for Mac OS, Linux, TV, XBOX, Autoradio) Windows 8.1/10/11 plug & play, window7 need to install the driver from the Shuwosmart official link provided in the package.