Introducing our Aquarium Air Pump - the perfect solution for oxygenating your fish tank without any noise disturbance. This ultra-quiet oxygen air pump utilizes piezoceramics vibration technology to transport air into the fish tank silently. You won't even notice it's there when you stand more than 1 meter away. It's an excellent choice for placing in your bedroom, living room, or office. With a power consumption of only 0W, this oxygen pump is highly energy-efficient. It has a flow rate of 400 ml/min, making it suitable for fish tanks, aquariums, and hydroponic systems ranging from 1 to 15 gallons. The compact and lightweight design, along with the durable buckle, allows for easy portability. Take it outdoors for fishing without any hassle. Equipped with a USB plug and a 5m long USB cable, this oxygen air pump ensures stable performance. It is perfect for small and medium-sized fish tanks, providing sufficient oxygenation for your aquatic pets. You can rely on it to operate continuously for 24 hours. Our aquarium air pump is designed to satisfy your needs. It adds enough oxygen to your fish tank, ensuring a long service life. Your fish, betta, or shrimp will love the improved environment it creates.