Fish Tank USB Air Pump DC 5V 0.8W Ultra Quiet Portable Mini USB Oxygen Air Pump with Suction Cups for Fish Tanks Feature:1. EASY TO CARRY: This mini fish tank USB air pump is small, light and easy to carry. DC 5V voltage, practical and convenient.2. ENERGY SAVING: The power consumption of this USB oxygen pump for fishing is only 0.8W, with long service life and high energy saving.3. SUPER QUIET: This air pump for aquarium runs with an ultra quiet but efficient motor that won't disturb you while you sleep.4. UPGRADED MOTOR: This aquarium pump is designed with a premium version of durable and efficient motor, perfect for your fish, shrimp and jellyfishs.5. SCOPE OF APPLICATION: This USB oxygen air pump is suitable for outdoor fishing, small and medium aquariums, fish tanks, pond, etc. Specification:Item Type: USB Air PumpMaterial: PlasticParameter:Voltage: DC 5VPower: 0.8WAir Volume: 200mL/MinAir Pressure: 13KpaPackage List:1 x USB Air Pump4 x Suction CupHow to use:1.Theairpumpmustbeplacedhigherthanthefishtank.Ifitislowerthanthefishtank,aonewayguideroomneedstobeinstalled.2.Thisproductcannotbefloodedintothewater.Itisrecommendedtoputasoftpadundertheproducttoreducewakeupsoundandvibration.3. Frequentcleaningandreplacementofairpipesandairstonescanachievemaximumairvolumeandprolongthelifeoftheairpump.