[Detachable Absorbent Sponge] There's a removable black net in the air cooler to absorb peculiar smell and dust air. There's a water drawer and sponge which designed for collecting the mist water so that you do not have to worry about the water wet your desk. [3 Speed Wind & Fast Cooling] Built in 2 fans and 3 air blowing modes: Low/Mid/High. High speed can reach to 3m/s which can cool down the air quickly(Others is 1.5m/s). Imitating natural wind design,3-4μm mist diameter makes you feel better after a long time use. [4-in-1 Function]Personal air conditioner cooler,desk fan, air humidifier and Purifier. Design with spray feature, make you feel much cooler while using spray function. Cools, humidifies for better air, refrigeration design take you away from the hot summer, enjoy your cooling summer. [2 Kinds Lighting & Low Quiet]Our mini desk air cooler built in 7 color lights and soft night light,allows individual control to turn off the lights when the fan is operating,can bring you a good mood and help you fall asleep better;Work powerfully at a low noise level can bring you quality sleep,won't bother you. [480ML Water Tank & 60° Angle Oscillation]Manwe air cooler has a large-capacity water tank, which can operate for a long time, and is convenient for adding ice-cubes and cleaning the water tank;Mini Air Conditioner is capable of circulating cool air around a wider surface area thanks to the wide-angle oscillation technology. Choose between the 3 wind settings of low, medium or high. It can works 6-8 hours when it filled up. Input voltage:DC5V 1.5A Power:7W Water tank capacity:480 ml Evaporation :50ml/h Max wind speed:greater than equal 2.8m/s Working Time: 6-8hours Wind speed: 3 speed modes Natural wind power (low/medium/high): L:1.8W/M:3.5W/H:4.5W Cold air rated power (low/medium/high): L:3.5W