Silent Aquarium Oxygen Air Pump Fish Tank Air Compressor Aerator Powerful, safe and reliable performance, large exhaust volume Longer use time, 24 hours of continuous use USB interface is more convenient,small and portable and everyone can operate it. Mute, in the living room, bedroom, office and other quiet environment, there is no sound and can provide a better using experience for you When fishing outdoor, transporting fish, and power outages at home, dont worry about the lack of oxygen in the fish Specifications: Voltage: 5V Current: 1A Working time: 36 hours(10000mAh Power Bank) Plug: USB Material: Silicone Pipe Length: Approx1m Size(L)(W): 7x3cm Package Included: 1 x Aquarium Air Pump 1 x Pipe 1m 1 x Air Stone 1 x Aluminum Buckle Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the product Please allow 1-2cm error due to manual measurement Thanks for your understanding