Small portable oxygenating pump $ 7.40 Input voltage: dc3.6-5v Power cord length: 50CM Rated power: 3W The oxygen outlet: 4 mm Displacement: 1.5 L/min Pressure: 0.17 Mpa Environment: -10c ~43C, humidity < 80% Packing list: includes (AIRSTONE rubber hose of oxygen pump bubble stone USB socket power cord) Note: This product itself does not have a battery, and can be connected to a power bank or power plug. DC5V, can be sent to all countries in the world without voltage and plug restrictions
