Features: 1.Long Endurance: Small oxygen pump charging at home, using ordinary USB charger can be, if you go out, use a 10000 mAh rechargeable battery charging, the endurance time 4 times. 2.Multifunctional: Aquarium lithium battery air pump adopts USB charging; intermittent work; power alert; strong air pressure. 3.Dual Modes: Aquarium lithium battery air pump has dual modes of continuous oxygen supply and intermittent oxygen supply, you can choose the oxygen supply mode according to your needs. 4.Convenient to Carry: Aquarium lithium battery air pump is compact and lightweight, easy to carry, outdoor and indoor dual use. 5.Durable Material: Fish tank USB oxygen pump is made of ABS material, which is strong and durable, anti drop and wear resistant, with long service life. Specification: Item Type: Small Oxygen Pump_x005F_x000D_ Material: ABS_x005F_x000D_ Battery Type: Lithium Battery PackageList: 1 x_x005F_x000D_ _x005F_x000D_ SmallOxygenPump