It comes with a 2200mAh rechargeable battery and a 5V/1A USB output port. whether in a folded state or working, you can charge your phone, laptop, wireless earphones, MP3, or other products with it in a pinch. This 4-in-1 folding handheld fan adopts an aerodynamic design, providing stronger wind, keeping you cool anywhere. it can also be used as a power bank, flashlight, small table fan, a mirror, or a mini desk lamp.
