Amazon fan portable portable water cooling fan mini mute humidification small fan desktop cooling fan

Power supply method:USB
noise:36dB or less
Whether the source of patent:no
colour:green
Whether to turn page fan:Yes
Built-in battery capacity:2000MAL
Speed control gear:Third gear
Stop when you fall:stand by
Motor type:Brushless
Whether to support charging:stand by
Rated voltage:3.7
Air supply method:Turn page
Whether built-in battery:Yes
Head shaking:Figure eight shaking his head
Features:Humidification and refrigeration
Wind speed gear:Third gear