Aquarium Air Pump-Lithium Battery Powered

Features:1. USB Rechargeable: Built-in rechargeable lithium battery provides up to min 30hrs(SB-180)  max 120hrs (SB-568 ) working time. Compared to other battery aquarium air pumps, this kind of rechargeable function free you from replace the battery, you can charge it with a laptop, a wall charger, or a power bank, save your money and eco-friendly. You can take it for outdoor fishing, fish transportation and power outages, etc.2. Powerful Motor & 2-4 Air Outlets: Small air pump, but equipped with powerful power can generate a large amount of aeration. Put out a ton of air bubbles via 2-4 air outlets and provides a sufficient amount of water circulation in your aquarium.3. Wide Compatibility: This quiet air pump is perfect for both Freshwater and Marine Aquariums, great to be used for all types of tanks. Excellent emergency aquarium oxygen pump!4. Automatic Switch Of AC/DC: This USB air pump aquarium works with both AC and DC. It can be used as a standard fish tank air pu