Come and see our amazing products. Powered by an upgraded rechargeable polymer lithium battery, which can support the mini fan run longer than the same capacity regular lithium battery, comes with the USB cable.Power: 4.5w Voltage: 5V battery capacity: 800mA Material: ABS+ PP Dimension: 2.7"x0.7"x5" Charging time: 20 mins in 2 A; 40 mins in 1 A Pls confirm with us about the packing info, stock color and exact production time before placing your order