Save your USB Ports: Connect 5 devices simultaneously; Use for Data Tranfer: Transfer file instantly via connection; Multiple Bluetooth Versions: Bluetooth 5.3, backward compatible with 5.1/5.0/4.0 devices; Up to 20M Transmission Distance: Faster and more stable transfer; Bluetooth Connection: Enjoy wireless life; Diver-free for Win8.1 and Later: Only use on Windows computer.