SEMICONDUTCOR COOLING With the Ceramic semi-conductor radiator built in, the handheld fan can quickly cool down in 3 seconds and condense water droplets in 1-2 Minutes. Holding the mini fan against the skin of your neck is like being in a refrigerator.POWERFUL WIND & 3 SPEEDS There is a powerful advanced motor and in the Portable handheld fan that produces strong winds at 3 speeds, combined with a fluid mechanical design cover to make you feel the cool breeze 1 meter away.QUITE BUT POWERFUL WIND The professional high performance brushless motor avoids the awkward moments that the rest of the handheld fan may bring. Keep cooling anytime and anywhere, even in the quiet offices or sleeping room, creating a quiet, cool environment for you.LIGHTWEIGHT & PORTABLE This small pocket fan only measures 7.0* 3.0* 2.4in, you can put it into your pocket or bag, take it with you wherever you go, it's a perfect partner in such a hot summer to keep you cool when travelling, waiting in line or doing sports.HIGH COMPATIBILITY USB-C RECAHRGE The USB rechargeable fan is powered by 2000 mAh high-grade lithium battery and compatible with PC/laptop, power bank, AC adapter, car charger and other USB-enabled power supply.You can use the handheld fan rechargeable anywhere.