Feature:1. Extreme Speed Transmission: Bluetooth 5.1 technology provides faster data transmission speed, which can realize faster file transfer and fluent sound and video playback, providing a better user experience.2. Wide Compatibility: The adapter is compatible with for Windows 7/8/8.1/10/11 system, which can meet the needs of more users without system version limitation.3. Strong 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.4. Dual Mode Support: Bluetooth 5.1 adapter can support both Classic Bluetooth and Bluetooth Low Energy (BLE) to meet the connectivity needs of different devices, such as headphones, keyboards, and mouses.5. HiFi Sound Quality: The Bluetooth 5.1 adapter supports HD lossless music transmission, providing better sound quality enjoyment so that users can better enjoy music and sound and video entertainment.Specification:Item Type: Bluetooth 5.1 AdapterMaterial: ABSBluetooth: 5.1Compatible System: for Windows 7/8/8.1/10/11.Package List:1 x Bluetooth 5.1 Adapter