Bearing: Hydraulic Bearings, which keep the oil of bearings, better than sleeve bearings, life: 35,000 Hours. Rated Voltage: DC 5V, Current: 0.1A, Power: 0.5W Speed: 11000PRM, Air Pressure: 4.86mmHO, Airflow: 2.22CFM, Noise: 22.5dBA Connector & Line length: XH2.54 11.8in(300mm), Size: 25mm x 25mm x 10mm Made by WINSINN. Warranty: 2-years for Hydraulic Bearings Fan.