Description: This fish tank USB air pump is small, light weight and can be carried with you, compatible with power banks, mobile phone chargers. It aquarium runs with a super quiet but high efficient motor. Compared to the electromagnetic pumps, it makes no sounds at all. Medium volume, suitable for medium and small fish tanks and fishing with about 10 kilograms. USB Plug: The length of the USB cable is approx 1.5m this mini air pump can run from any USB power resource. Suitable for outdoor fishing, small to medium size aquariums, fish tanks, ponds and so on. Specification: Material: Iron,Rubber,Plastic Size: Pump Body: 90mm/3.54inch USB Cable: 1.5m/59.06inch Trachea: 1m/39.37inch Package Includes: 1 Piece Trachea 1 Piece Air Stone 1 Piece Buckle 1 Piece USB Line(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!