Easy Setup: Before plugging the wireless network adapter into the USB port, please FIRST install drivers via MINI CD disc,or download driver from https://j.mp/2XlWIM8 to install. Once you've run the software,you can simply insert the adapter to get connected. Product Features: Ultra-Small form factor. Bluetooth Low Energy (BLE) protocol support. Up to 3 Mbps data transfer rate with Enhanced Data Rate (EDR) support. Backward support classic Bluetooth V3.0/2.1/2.0/1.1 Networks a Windows computer to Bluetooth devices such as keyboards,mice,headsets,and mobile devices. Does not work / not recommended for: Cannot Bluetooth-enable TVs,speakers or car stereo systems. Doesn't support Mac or Linux operating systems or phone. Does not work with keyboard / mouse accessories based on 2.4G wireless technology. Note: Physical barrier may impact transmission range,please use Maxesla Bluetooth dongle within 20m in open area. It will not work together with other dongle at same time. Such as internal Bluetooth adapter. If you had/have previous Bluetooth adapter,Please make sure that you have uninstall the driver before you use Maxesla Bluetooth Dongle.