m of product: electric air pump. color of product: black ile of product: 55*63*82mm Product trial: ABS antit book: 1 piece nsion endorses: 5 V; power: 15W uit: 80-95 dB; nominal speed: 50,000 rpm wind speed: 2200pa; air: 300L/min battery pace: 1500 mAh*2; tanchit calf: IPX4 charging time: 2A 2H plug; use time: continuous use for 50 minutes small Wireless Portable]Electric air pump 5, 5*6.3*8.2cm 145g Simplicity Small structure, it not only can be used at home, but also the best partner for swimming, beach surfing and boating It is small in size and can easily be carried put in a backpack without extra burden for you. Multifunctional Nozzles] The electric air pump is with 4 different nozzles which can meet your different inflation requirements. It is very suitable for inflatable boats/kiddie pool/air mattresses/mattresses/swimming rings/yoga balls/balloons and other inflatable items. In addition, it can also be used in a vacuum storage bag to evacuate any excess air in the vacuum bag. Battery Protection and Anti-Slip Treatment]The portable electric air pump features 'overheating protection function, which can work continuously for a long time without burning. It can be used by children and protected from damage. Ergonomic design made of wear-resistant and non-slip materials, non-slip, easy to hold and use.