System Support: The upgraded Bluetooth 5.3 dongle has a wide range of applications. You can connect up to 5 devices at the same time using Bluetooth wireless. Such as Bluetooth speakers,keyboards,headsets,mice, and Bluetooth printers,etc. Only supports Windows 11/10/8.1, Not compatible with Mac OS, Linux,car stereo systems,XBOX,ps4 or TVs. Fast Transmission Rate: This upgraded Bluetooth 5.3 adapter features EDR technology and Bluetooth Low Energy (BLE) configuration up to 3Mbps, which greatly improves transmission rates and reduces the loss of transmission efficiency due to interference in the 2.4GHz band. Enables fast, lag-free wireless data connections between your computer and Bluetooth devices. Long Range Bluetooth Adapter: The USB Bluetooth 5.3 dongle uses Class 1 radio technology, equipped with extra long antenna, and the transmission range in the open area can reach 328ft/100m, Bluetooth connections are no longer affected by distance. Note: The actual transmission range will be affected by physical obstructions and wireless interference. Plug & Play: USB wireless Bluetooth is not limited by network and location, no need to install drivers, just plug the USB wireless adapter into your computer, you can use it directly. You can use the Bluetooth function at any time. Greatly improve your work efficiency and save your time. Bluetooth 5.3 dongle: Applies the latest Bluetooth 5.3+EDR technology, compatible with Bluetooth 5.2/4.2/4.2 LE/4.0/2.1+EDR, and supports Dual mode (BR/EDR+ Bluetooth Low Energy) to achieve low energy consumption and high speed. Quick response and better anti-interference.