1200M Dual Band WiFi Network Card USB3.0 Wireless WiFi Adapter for Win Weight: 75 grams Size: about 25.3*2.2*1.3cm/9.96*0.86*0.51 inch Material: plastic + metal How e: 1. Insert mini CD or download driver from online driver link to install the program. 2. Plug in the wifi adapter to any USB port on your computer. 3. Open the “for REALTEK USB Wireless LAN Utility”, click “available networks”, select the network signal and connect. Warm tips: 1. You must have a dual band WiFi router with 5G band if you want to have a 5G signal. 2. Generally customers can't get the maximum speed. But it has nothing to do with the quality of the product. The network environment, router, barriers, laptop and PC 's internal memory... many factors can affect the speed. 3. If your computer is desktop, speed is not ideal, you can try to insert the WiFi adapter into the USB3.0(blue) port of you PC, that may provide stable power supply 4. This Wi-Fi dongle will not boost the speed of original router. It only helps your computer to receive better router's signal and faster speed. 5. When you are using the Wi-fi adapter product on the laptop. Please turn off the built-in Wi-Fi to get a better speed experience.