Designed for fish tank and aquarium, this oxygen pump can pump oxygen into your tank. Made of ABS material for long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. Also can be a good gift choice for your friends, they will like it. Features -Color:Black-Material:ABS-Size:8.00X4.00X3.50cm/3.14X1.57X1.38in-Recommended voltage: 5V-1.0A -Voltage: 5V-6V -Power: 1 watt -Exhaust capacity: 1.5L/min - Increase the oxygen in the fish tank, which will keep your little fish in an activated condition. - Almost no sound, multi-functional and multi-scene application, suitable for living room, bedroom, office and other need quiet fish environment. - Made from sturdy ABS plastic material,fish tank pump is durable for long time use. - Simple in structure, easy to use, not easy to deform, you can use it with confidence. - Excellent craft, carefully down to every detail to give it a chic and beautiful look. Packing list: 1 x Oxygen Pump (with USB Cable)