This Bluetooth 5.1 USB Adapter can create a wireless connection to other Bluetooth devices including headsets, speakers, keyboard, mouse, and mobile devices. Bluetooth 5.1 + EDR (Enhanced Data Rate) reduces the transmission rate loss caused by 2.4GHz band interference and enhances stability and anti-interference. The low power consumption and compact form factor allows you to leave it plugged into your notebook. Equipped with an extra-long rotatable 2dBi antenna for longer transmission distances coupled with Class 1 radio technology. This adapter is capable of transmission distances up to 100m in open places.