2 In 1 USB Silent Aquarium Air Pump Fish Tank Aquatic Supply Oxygen Pump

Specifications:Color: Blue; RedMaterial: ABSDimension: 9.6×13×4cmAir hose length: 90cmMotor: 2pcsOutput volume: 4L/minBattery: Built-in 1800mAh Li-ion batteryBattery life: 7~15 hours Features:- Provide balanced oxygen to your aquarium tank.- Two air holes.- Environmentally friendly ABS housing shell, heat-resistance, low-temperature resistance, and strong impact resistance.- Powerful double motor for oxygen enrichment and the output pressure is stable.- A soft rubber cover is provided at the charging port to protect the charging hole from water.- Built-in 1800mAh lithium battery for continuous oxygen for up to 8 hours.- Corded/Cordless 2 Kinds of Use Way. You can plug in directly, or use it in outdoors after charged.- Ultra-quiet: Non-slip, shock-proof padded base for more effective noise reduction. Package Included:1 x Air Pump2 x Air Hose (with air stone)1 x USB Cable4 x Rubber Plug