Type A USB (5V DC / 2A or more) CE />=150 (5.3 CFM)0.55 / 0.25 Features Type A USB (5V DC / 2A or more) Suitable for smaller inflatables Lightweight and portable CE approved Need to be connected to an external charger Shelf box Suitable for both outdoor and indoor useSpecificationsMax. Air Flow (L/min)>=150 (5.3 CFM)Weight0.55 lb / 0.25 kg