MACOLAUDER Waist Fan with Cooling Plate & 199-Step Polarity Adjustment, 20m/s Hi

【16000r/m Brushless Ice-Sensing Motor】 Reaching a maximum of 16,000 revolutions per minute, this motor utilizes suspension bearings to ensure high-efficiency, low-loss airflow transport, unlike conventional ball bearings which reduce kinetic energy loss to 0.35%, thoroughly solving the problem of high kinetic energy loss in inferior low-speed motors.