Easy Setup: 1. Before plugging the wireless network adapter into the USB port, please FIRST install drivers via MINI CD disc, or download driver from http://u6v.cn/4F4UoL to install. Once you've run the software, you can simply insert the adapter to get connected. 2. If your computer does not have a cd rom, we also provide a small piece of paper inside. The driver download link is provided on the paper. Or you can scan the QR code to get the driver link. 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.?Easy to Use & Carry?USB Bluetooth 4.0 Adapter Dongle Plug and Play. Ultra-compact, Easy Carrying and Space Saving. ?Bluetooth V4.0 & 20m Bluetooth Signal? Maxesla Mini Size Dongle USB Stick Adaptor Latest Bluetooth 4.0 version to offers high speed up To 3 mbps Wireless Transmitter Enables Long Range Connectivity Up to 20m in open space. Support dual-mode, low power, simple pairing, good anti-jamming features. ?Enable Bluetooth Compatibility? For Windows 10 / 8 / 7 / Vista / XP Laptop or desktop computer. Turns Non-Bluetooth PC or laptop into Bluetooth-capable. It is NOT compatible with Mac, Linux, TV or Car stereo systems. ?Multiple Uses? Bluetooth 4.0 USB Dongle Adapter can easily add Bluetooth feature for your computer, enables the computer to wirelessly connect more Bluetooth devices such as Bluetooth headphones, speaker, keyboard, mouse, smartphone, tablet, printer, projector, gaming controller and more BLE (Bluetooth Low Energy) devices.