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
