Features: 1.Bluetooth 5.3 Adapter: This Bluetooth adapter utilizes Bluetooth 5.3 BR+EDR technology, greatly enhancing the stability of data transmission while reducing signal interruptions and power consumption. 2.Faster Speed and Greater Range: Enjoy faster data transfer speeds of up to 2 Mbps, double that of Bluetooth 4.0 support, and extend your transmission distance up to 66 feet (20 meters) in open spaces. 3.Mini Size: This compact Bluetooth dongle can remain in your laptop or PC without needing to be removed, compact size won't interfere with other USB ports, and it's easy to carry and does not take up space. 4.System Compatibility: Plug and play, no need to install drivers. This Bluetooth adapter is applicable for PC only and supports for Windows 11 10 8.1. 5.Multifunctional: Acting as both a transmitter and receiver, this Bluetooth USB adapter is able to seamlessly connect your computer with other Bluetooth enabled devices for efficient data transfer. specification:Item Type: Bluetooth USB Adapter Material: ABS Wireless Rate: AC650Mbps Dual Band Signal: 2.4G/5GHz Wireless Protocol: 802.11a/b/g/n/ac PackageList:1 x BluetoothUSBAdapter