Long Range Bluetooth Adapter: Our USB Bluetooth 5.4 dongle utilizes Class 1 radio technology and features an extended antenna, providing a transmission range of up to 500ft/150m in open areas, ensuring that Bluetooth connections are no longer limited by distance. (Please note that physical obstructions and wireless interference may affect the actual transmission range.) Bluetooth 5.4 dongle: Utilizes the latest Bluetooth 5.4+EDR technology, compatible with Bluetooth 5.4/5.3/5.2/4.2/4.2 LE/4.0/2.1+EDR, and features Dual mode (BR/EDR+ Bluetooth Low Energy) for reduced energy consumption and enhanced speed, ensuring quick response and superior anti-interference capabilities. Plug & Play: The USB wireless Bluetooth is not constrained by network or location, requiring no driver installation. Just plug the USB wireless adapter into your computer and start using it right away. Enjoy the convenience of Bluetooth functionality at any time, enhancing work efficiency and saving time. Syste