Bluetooth 5.4 Technology: This USB Bluetooth adapter features Bluetooth 5.4 technology, delivering faster data transfer speeds and a more stable connection compared to Bluetooth 5.3. Up to 5 Devices Connected Simultaneously: You can use the USB Bluetooth adapter to connect multiple devices at the same time. It supports connections with up to 5 devices, such as Bluetooth speakers, keyboards, headsets, and mice. EDR and BLE Technology: Equipped with Enhanced Data Rate (EDR) and Bluetooth Low Energy (BLE), this adapter offers optimized power efficiency and performance. Rotatable Antenna Design: The adjustable, multi-directional antenna allows you to optimize performance and enhance the user experience in various environments. Note: 1. It can not be used directly on PS3, PS4, PS5, Switch, or Xbox Console; but it works with Game Controllers. 2. The transmission range will be affected by physical obstructions, wireless interference and the wall. 3. It's not compatible with TV or C