Bearing: Sleeve Bearings, Cheap, Use time no more than 12 hours / day, life: 30, 000 Hours.
Rated Voltage: DC 5V, Current: 0.25A, Power: 1.25W
Speed: 2500PRM, Air
Pressure: 3.27 mmHO, Airflow: 30.95CFM, Noise: 30.10 dBA
Connector & Line length: USB 39.37 in (1000mm), Size: 80mm x 80mm x 25mm
Made by WINSINN.
Warranty: 1-years for Sleeve Bearings Fan.