Material type:Metal Power source:Battery Powered Welcome to my store, Hope you have a pleasant shopping trip!Features: GOOD MATERIAL: This product uses full copper movement and thickened rubber shock-absorbing feet, stable performance, quiet work, low power consumption, strong air volume, even air bubbles, energy saving and power saving. EASY TO CARRY: This product has a metal hook on the back, which can be clipped on the belt pocket or hung on the wall of the fish tank, easy to carry for outdoor fishing and keep the fish active. USB POWER INTERFACE: This product needs to be connected to a cell phone power adapter, mobile power, etc. with an output voltage of 5V 2A. The length of the USB power cable is about 60cm/23.6 inch. APPLICATION: This product is suitable for a variety of use scenarios, outdoor fishing, home power outage emergency, short distance transport, fish farming, etc. It can be used for daily power outage emergency, small fish tank use.Specification: Material: Copper, RubberSize: 8.5cmx6.0cmx3.5cmUSB Power Cord Length: about 60cm/23.6 inchPower: 3W Air Output: 1.5L/minAir Pressure: 0.012MpaPacking List: 1x Air Oxygenation Pump1x USB Power Cord1x 1.5m Oxygen Hose1x Air Bubble Stone1x Non-return ValveNote:1.Please allow 1-2cm measuring deviation due to manual measurement.2.Due to the different monitor and light effect, the actual color of the item might be slight different from the color shown on the pictures. Please Understand, Thanks! About this item GOOD MATERIAL: This product uses full copper movement and thickened rubber shock-absorbing feet, stable performance, quiet work, low power consumption, strong air volume, even air bubbles, energy saving and power saving. EASY TO CARRY: This product has a metal hook on the back, which can be clipped on the belt pocket or hung on the wall of the fish tank, easy to carry for outdoor fishing and keep the fish active. USB POWER INTERFACE: This product needs to be connected to a cell phone power adapter, mobile power, etc. with an output voltage of 5V 2A. The length of the USB power cable is about 60cm/23.6 inch. APPLICATION: This product is suitable for a variety of use scenarios, outdoor fishing, home power outage emergency, short distance transport, fish farming, etc. It can be used for daily power outage emergency, small fish tank use. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. GOOD MATERIAL: This product uses full copper movement and thickened rubber shock-absorbing feet, stable performance, quiet work, low power consumption, strong air volume, even air bubbles, energy saving and power saving. EASY TO CARRY: This product has a metal hook on the back, which can be clipped on the belt pocket or hung on the wall of the fish tank, easy to carry for outdoor fishing and keep the fish active. USB POWER INTERFACE: This product needs to be connected to a cell phone power adapter, mobile power, etc. with an output voltage of 5V 2A. The length of the USB power cable is about 60cm/23.6 inch. APPLICATION: This product is suitable for a variety of use scenarios, outdoor fishing, home power outage emergency, short distance transport, fish farming, etc. It can be used for daily power outage emergency, small fish tank use. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.