Summer Air Cooling Air Conditioned Neck Fan USB

product information: Brand: Other Power supply mode: USB Rated voltage: 3.7 Rated power: 5 Rated frequency: 5 Noise: 36-45db Timing function: no timing Wind type selection: normal wind Maximum power: 5 Air supply mode: no page turning, no head shaking Wind speed gear position: third gear Operation mode: mechanical Whether to support charging: support Speed adjustment gear: third gear Stop automatically when falling: Not supported Air supply type: standard air Whether to remote control: No Color: pink, blue