1DUAL MODE SUPPORT: The USB wireless adapter supports both classic Bluetooth and low power Bluetooth (BLE), allowing you to connect to a variety of different types of Bluetooth devices, such as headphones, speakers, keyboards, mice, and more. 2EXTREMELY FAST TRANSMISSION: Bluetooth 5.3 technology provides higher data transmission speeds for faster file transfers and smoothly sound/video playback, providing a better user experience. 3STRONG STABILITY: Bluetooth 5.3 has a strong signal transmission capability, enabling the adapter to have a more stable connection performance, whether it's in the home or in the entertainment center, it can maintain a stable connection. 4LONG RANGE CONNECTION: The Bluetooth 5.3 adapter has a wireless range of up to 10 to 20 meters, so users can stay away from their devices and still enjoy the convenience of wireless connectivity. 5WIDE COMPATIBILITY: The adapter is compatible for Windows 7/8.1/10/11 systems, both old and new versions of for Windows systems can use this adapter.