Aquarium Oxygen Pump Quiet USB Charging Waterproof Mini Fish Tank Air Bubbler Pump for Indoor

Feature: 1. ULTRA QUIET: 40dB aquarium oxygen pump, very quiet. You can sleep close to it and it will not wake you up. There are 4 non slip rubber feet on the bottom to prevent sliding and reduce noise. 2. RECHARGEABLE: Aquarium air pump can be plugged in and charged for immediate use. Can be used indoors and outdoors. When the current is interrupted, it switches from electric to battery. 3. PURE COPPER MOTOR: Fish tank oxygen pump adopts an all copper high frequency voltage stabilizer transformer, which has low resistance, reduces consumption and provides stable oxygen supply. 4. STABLE PERFORMANCE: Mini aquarium oxygen pump, with original waterproof design, outdoor use can prevent rain erosion. Palm size, easy to carry and provide stable air bubbles. 5. LONG BATTERY LIFE: Rechargeable fish tank air pump has a built in high quality lithium battery, which can be used for more than 500 cycles and has a long battery life. Specification: Item Type: Aquarium Oxygen Pump Material: ABS Battery Type: Lithium Battery, Battery Model: 18650, Battery Capacity: 1200mAh (Shipped with Built in Battery). Package List: 1 x Aquarium Oxygen Pump1 x Charging Cable1 x Air Tube1 x Air Stone Note: The position of the air pump must be higher than the highest water level of the water tank to prevent water from flowing into the air pump along the exhaust pipe. If the air pump is not in use, it should be unplugged and stored in a dry place.