Description1Etremely Fast Transmission Bluetooth 5.1 technology provides faster data transmission speed, which can realize faster file transfer and fluent audio and video playback, bringing a better user eperience. 2Wide Compatibility The adapter is compatible with for Windows 788.11011 systems, which can meet the needs of more users without system version limitation. 3Strong Stability Bluetooth 5.1 has a stronger signal transmission ability, which makes the adapter have a more stable connection performance, whether it is for office or entertainment, it can maintain a stable connection. 4Dual Mode Support The Bluetooth 5.1 adapter can support both Classic Bluetooth and Bluetooth Low Energy BLE to meet the connection needs of various devices, such as headphones, keyboards and mice. 5HiFi Sound Quality The Bluetooth 5.1 adapter supports HD lossless music transmission, which brings better sound quality enjoyment so that users can better enjoy music and audio and video entertainment.