[Efficient cooling] Cooling technology takes in hot air through an evaporative air cooling filter and instantly turns it into cool and refreshing air. to the top water tank and press the button. [3 in 1 function] Portable air cooler, cooling, humidifying and purifying. This private space cooler has three fan speeds and a multi-directional vent. Keep away from dry air, reduce dust and smoke, and that you can enjoy the right amount of cold air as needed to moisturize your skin. [USB rechargeable and ] It works with any USB power source. It can be operated by using a laptop, mobile power or wall outlet. Built-in 2 2500 mAh batteries, after fully , can be placed in any position, will not be affected by space. The air conditioner can be used for 24 hours after it is fully . [Environmental protection] A simple way to cool any space, the evaporative air cooler is a personalized and environmentally friendly design that can pass warm air from the room through the evaporative water filter and humidify during cooling. Small but provide double cooling capacity. [Ultra-quiet and portable] silent fan and soothing night light, very suitable for night use, comfortable sleep, energy saving. Easy to move, very suitable for your office, bedroom, living room, kitchen, outdoor, etc. colour:Green Material:plastic size:120 x 95 x 140mm Package Contents: 1 x Air Conditioner 1 x USB Cable Only the above package content, other products are not included. Note: Light 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.