Personal Fan Mini USB Fan Rechargeable Electric Fan Battery Operated Fan Quiet Design, USB or Battery Powered( Not Included) with Clip for Baby Stroller and Table by Eshop99 STEPLESS SPEED REGULATION - No level variable speed design and you can change the wind power arbitrarily, four fan blades makes the wind force more comfortable. ULTRA LONG BATTERY LIFE - 18650 1500mAh lithium battery, can be used for 2~6 hours after a single charge. VARIOUS CHARGEING METHODS - This electric mini fan can be charged with various methods, such as wall charger, power bank charger and USB point of laptop(or PC) charger. SMALL & EXQUISITE - Fan splints can be used directly or clip with a desktop, the diameter of the nip is about 10cm, its easier to use. 360 DEGREES ROTATING - There is a pivoting point on the bottom of the fan which can be 360 degrees no dead ends rotating manually. It can make the fan omnibearing and multi-angle blow wind, portable and easy to use, hassle free and practical.