?? MULTI-FUNCTION AIR COOLER: Including cooling fans, purification?moisturizing, which will bring you a different cool experience.The water in the tank will be evaporated to become the cold air to blow off, The air released by our air cooler will be cleaner than natural wind, cooler than fan ?? FAST COOLING DOWN & 800ML TANK: It can run up to 8.5 hours each time you filling the portable tank.This personal space cooler can fast cooling down the hot air around you. With 2 fan speeds, you could select the perfect wind power as you need. This personal table fan allows you to add ice water. ?? PORTABLE and USB CHARGE: The small size (20*17.5*15.5 CM) and light weight (about 0.8kg) make it very convenient and portable to take anywhere.It is supported by USB port and could run a long time after simply filling with water. You can use this mini air cooler all nights safely as it is eco-friendly. ?? ULTRA-QUIET: portable air fan can operate powerfully at a low noise level, which less than 20db. Under the quite work mode, the quality of air cooling is still unaffected. This ultra-quiet air cooler make you enjoy a comfortable sleep all night with suitable temperature and low-level noise. ?? BUILT-IN NIGHT LIGHT: Built-in a brightness LED lights, you can adjust the brightness of the LED lights to help you sleep better, or as a night light.