2022 Lazy Bladeless Neck-Mounted Fan USB Charging Brushless Motor 3rd Gear Mechanical Control 3-6 Hours Silent Mini 4000mAh

battery capacity(mah):Over 4000 mAh type:Neck-mounted fan place of origin:None app-controlled:No application:None Batteries Included:Yes Control Method:Mechanical Feature:Mute featured function:Supply air Installation:Neck-mounted motor:Brushless motor Noise Level:Below 36 dB Number of Blades:Bladeless packaging types:None power source:USB voltage (v):5V wind speed:3rd gear Working time:3 6 hours model number:F16

Power supply method: USB noise: Below 36dB(A) Rated voltage: 5 Rated power: 5 Operation method: Normal button