Is the weather too hot these days? Then, I'll be sure to introduce you to the cool JISULIFE hand fan! This mini hand fan can adjust the wind speed up to 100 levels. It has a large capacity battery of 5000mAh, so it can blow for up to 18.5 hours after charging! The digital display screen makes it easy to check the current wind speed and remaining battery. It is convenient to carry with its small ..