Features: It is water tank and pump integrated water cooler for your computer, convenient to use It is suitable for inner diameter is about 8mm soft pipe With USB connection, it can radiating heat directly for your computer It can be widely used in computer, laptop or mobile phone The tank is transparent, which is visible while it works   Specification Material: plastic, metal Color: as shown Size(H x D): about 10 x 8 cm Voltage: 220V Power: 2.5W Power supply: USB connection Fitment: for inner diameter is 8mm soft pipe   Package includes: 1pc x water cooler   Notice: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement.