【More Convenient】 Portable Handheld Personal Baby Car Seat Mini Small USB Desk Clip On Fan It is handheld fan with Low/medium/high three speed levels via power button, it is a cool and powerful fan. Easy to charge by USB, working time last long 5-6 hours depending on different speed. With upgraded 2A input USB cable, this clip fan takes only about 2-3 hours to be fully charged