Features: Brand new and high quality Equipped with Bluetooth-compatible 5.3 technology, this USB adapter take interferences resistance and stability This device ensures faster data transfer speed.It can transmit data up to impressive 65.62ft (20m). This wireless adapter can link many devices, from keyboards to headsets and mouse. The Bluetooth-compatible receiver fit perfectly onto your Laptops, practically unnoticed. Easy to carry with your Laptops and will not obstruct neighboring USB Its user friendly design ensures quick and easy, making it the perfect companions for your everyday activity. Specifications: Material:ABS Bluetooth-compatible Version: 5.3 Interfaces type: USB Transmission distance: 20m/65.62ft Operating frequency: 2.4Ghz Voltage: 5V Size:Approx. 15.7x21.8mm/0.61x0.85inch Package Includes: 1x Bluetooth-compatible Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.