Water tank capacity:350ml+300ml Power supply mode:USB Specification:17.5*16.5*16 Category:air cooler Product features:portable mini Noise:20dB or less Rated voltage:5V Rated power:3W Applicable area:10 square meters -20 square meters Air supply mode:no page turning, no head shaking Wind speed gear:3 gears Mode of operation:mechanical Whether to support charging:support Speed adjustment gear:third gear Automatic stop when falling:support Whether to turn page fan:No Gross weight:700G Packing volume:18*17*16.5CM Color: stone blue,coral orange Whether built-in battery:Yes Built-in battery capacity:500 mA-800 mA Function:cooling and humidification Motor type:brush motor Shell process:injection molding Size:17.5*16.5*16CM Battery life:6-8 hours Package Contents: 1x cooler 1x data line Only the above package content, other products are not included. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm. Welcome to Store,may you have a pleasant shopping experience!Our products have been well tested before delivery.Customer satisfaction is our greatest aim,any problem please feel free to contact us and we will do our best to serve you!