Super Powerful Endurance Battery: The camping fan has a 5200mAh battery, which can work continuously for 12-36 hours at different speeds. You can charge via USB charger, laptop, car charger, etc. In addition, the tent fan has a USB-A port, so it can be used anywhere. as an emergency power source for your phone or other devices. 3 Brightness Settings and 3 Speeds: This USB camping fan is available with 3 wind speed levels (low/medium/high) to meet your different cooling needs. LED lights with 3 brightness levels Adjustable fans can illuminate your outdoor activities at night. Remote Control and Timer Function: The tent fan is equipped with a built-in fan. With an infrared remote control, you can easily adjust the wind speed and timer. You no longer need to get up or stretch your arms to adjust the fan. Hanging Hook & Detachable Design: The portable fan is designed with a built-in fan. A hanging hook on the top that allows you to hang it on tents, tree branches, dormitories or anywhere