The portable pump is less than a can of coke. Cordless design, easy to carry in your backpack or pocket. 4.5 kph pressure and 300 l/min pump wind speed, air mattress can be in a few minutes expansion air products (depending on the product size). 3600 mah battery, work to 45 minutes a charge. Wireless pump by power Banks can fast charge, laptop, car USB interface in the outdoor or charging power adapter at home. micro air pump is equipped with five different nozzle, can be suitable for most people the function of camping light, our battery air pump can be fixed in more places to provide lightings, such as cars, iron frames, or other camping equipment.