Features Compatible System Compatible with Windows (10/ 7/ 8/ XP/Vista); Mac OS Lightning Speed Upgrades your Wi-Fi card to Wi-Fi speeds of 1300Mbps. Delivering 867Mbps on 5GHz or 400Mbps on 2.4GHz for online gaming and lag-free HD video streaming USB 3.0 The USB 3.0 wifi adapter can transfer data up to at 5Gbps, which is backward compatible with USB 2.0 and 1.1 Stable performance With advanced RTL8812BU chipset amd built-in antenna for extended range Wi-Fi connection and superior stability on your desktop, laptop, the wireless adapter delivers Wi-Fi speeds of up to 1300Mbps in signal strength, average download and playback speed. Wi-Fi hotspot You can create hotspot through Soft AP function for more wi-fi devices Note 1. You must have a dual band WiFi router with 5G band if you want to have 5G signal. 2. The adapter's maximum speed of up to 867Mbps only works when you connect to 5G band, otherwise it will work at the maximum speed of 400Mbps with 2.4G. 3. This WiFi adapter will not increase the speed of the original router, it just transmits the wifi signal. 4. For desktop, if the speed is not ideal, you can try inserting the WiFi adapter into your PC's usb 3.0 (blue) port, which can guarantee full power.