Executive Summary - Specification and Supply PositionTL;DR - The Mistairhome WL-OHF06N (STD) is a Brushless BLDC, sensorless drive unit running to 13000 RPM, delivering 7.1 m/s at 150 mm and 36.8 CFM; the pack is 4600 mAh lithium polymer giving 14.2 hours on the lowest step and recharging in 2.6 hours from empty on 5V/2A; speed control is 3 fixed steps; it measures 29.2 dB at 1 m in operation, draws 6 W from USB-C 5V/2A, weighs 280 g, and ships documented to CE / RoHS / FCC s···
Executive Summary: JISULIFE Handheld Fan by MistairhomeTL;DR: The WL-FAN rechargeable fan line puts a BLDC brushless motor (9300-30000 RPM, 28-120 CFM airflow), an 18650 / 21700 lithium cell with UL 1642 / IEC 62133 / UN38.3 certifications (2000-20000 mAh, 12-53 hour runtime), USB-C PD 3.0 fast charge (1.5-3.5 hours full charge) and BPA-free CPSIA-compliant materials into 8 form factors - which means one source factory covers handheld personal, desktop clip with phone stand, ···