Baseus BA04 mini Bluetooth 5.0 USB adapter receiver transmitter for computer black (ZJBA000001) Compact USB Bluetooth 5.0 adapter. This miniature device expands the functionality of your laptop or desktop computer with wireless Bluetooth connectivity. Plug and Play is not required. It allows you to connect multiple peripherals to your computer, such as wireless mice and keyboards, Bluetooth speakers and headphones, gamepads, and phones, for easy data transfer. It can connect up to 7 devices simultaneously. Specification Brand: Baseus Model: BA04 Connector type: USB Bluetooth standard: 5.0 Chip: BR8651 Supported protocols: A2DP, H2DP, HSP, AVRCP, HID and others Compatibility: Windows 7 / 8 / 8.1 / 10 / 11The most important advantages of the adapterBluetooth 5.0 standard . High data transfer efficiency and stable connection between devices.Range up to 20 m. Use of devices that are several meters away.High-quality sound . Listen to music on wireless headphones without interruption.Backward compatibility . The adapter connects to devices that use older versions of Bluetooth.Easy Plug&Play installation. No driver installation required.