LOHOME Mini Clip-on Fan, Handheld Square Electrical Rechargeable Fan Portable 3 Speeds Cooler Desktop Fan, Black Multifunctional, desktop fan or clip fan with usb output, can be used as a power bank to charge your devices One bottom control 3 adjustable modes: High-middle-low, with clip base can be used as desktop fan or clip fan with the clip 18650 rechargeable battery powered fan with an led flashlight in it can give out light if necessary The battery can supply electricity for 2-3.5-6 hours according to the three different speeds of wind when it recharged Can use the mini fans no matter in the baby stroller, home, walking in the park, traveling outdoors, studying in the school, working or painting