[7-blade construction] The fan has a 7-blade design, which makes the wind very comfortable, just like the massage on the skin. It is a good pleasure when touching the wind in the table fan. [3 blocks wind] 3 levels of wind, you can adjust it freely, a level of wind breeze, 2 levels of wind cool breeze and 3 levels of wind strong, whether sleeping or outdoors, I can easily hold it. [USB power supply] The cooling fan is powered via USB, so it can be widely used on PCs, laptops, adapters, and mobile power supplies. [Silent, No Noise] Silent construction: The fast low-noise motor design makes this mini personalized fan a quiet fan, and won't be disturbed when you sleep again. [Multiple uses] It is very suitable for office, family, dormitory, study, library and game rooms, you will only get a cool breeze; no noise space.