Wireless and Portable :No need for wires or cords, this air pump is easy to carry around and use anywhere. Inflatable Cushions and Air Beds :Perfect for inflating cushions, air beds, and other inflatable items. Boat Swimming Ring :perfect for use with boat swimming rings, ensuring they are always properly inflated. Compact and :The small size and design easy to store and transport. Name: Portable Electric Air Pump Working voltage: 3.7V Working current: 5A Battery capacity: 5000mAh Charging time:4H Charging current: 1.5A Charging voltage: 5V Productmateriale:ABS & PC Gas flow: 300L/min Maximum atmospheric pressure value: 4000Pa Product operation mode, long press 3s to start Colour:Black Material:plastic Package Contents: 1 x Air Compressor Pump 3 x Gas nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.