Features 1、Upgraded Bluetooth 5.3: This Bluetooth adapter utilizes the latest upgraded Bluetooth 5.3 BR+EDR technology, greatly improving the stability of data transmission speed and reducing the likelihood of signal interruptions. 2、Faster Speed, Longer Range: Experience faster data transmission speed of up to 2 Mbps, which is twice what Bluetooth 4.0 supports. It also extends the transmission range up to 66 feet (20 meters) in open spaces. 3、Miniature Size: This Bluetooth dongle is incredibly compact, allowing you to leave it plugged into your laptop or PC without the need to remove it. The small size does not interfere with other USB ports and is easy to carry around. 4、System Compatibility: True plug and play functionality eliminates the need for driver installation. This Bluetooth adapter is compatible with for Windows 11 10 8.1, making it compatible with a wide range of devices. 5、Versatile Usage: The USB Bluetooth adapter can be used with various devices, such as laptops, PCs, and other devices. It provides a convenient way to add Bluetooth connectivity and enables wireless communication with devices such as headphones, speakers, and smartphones. Specification Item Type: USB Bluetooth Adapter Bluetooth Version: Bluetooth 5.3 Transmission Distance: Approx. 20 meters / 66ft (in unobstructed environment) Supported Protocols: A2DP, HSP, AVRCP, for HID, etc. Package List 1 x Bluetooth Adapter