Portable Air Cooling Fan, 3 Speed Mini Evaporative Air Cooler. USB Personal Desk Fan Air Conditioner Fan with Phone Holder Vanity Mirror for Home Office Product description [Quick Cooling] - The mini air cooler integrates air cooling, mist humidification functions. Not only does it have three wind speeds, but when you pour water or crushed ice into the water tank, it can create cold air that is 10C lower than normal temperature to the greatest extent in a few seconds, which can cool the air and keep the skin moisturized [Appearance design] - Hidden 150ml water tank, movable fading, ABS body, shaping the appearance of classical atmosphere, durable and serving you for a long time. [Energy saving and low noise] - The indoor air conditioner can work effectively at low noise level, 20-30db(A) working sound, will not disturb your sleep. Powerful power supply and conversion circuits can minimize losses, save you a lot of electricity bills and protect the environment. [Multifunctional 2-in-1]: Unlike other mini portable air conditioners, this cooler has cooling, humidifying functions. Ultrasonic nano-spray quickly cools down while moisturizing dry skin for a long time. [Portable USB Port] - The ideal size of this USB mini air conditioner is 6.2 x 5.7 x 5.2 inches, and the weight is only 1 lb, which is very convenient to carry. The built-in 4000mAh battery can last 3 to 6 hours, and can be used in home office and outdoor camping. Specification: Color: White Power connection: USB Material: ABS Noise range: 20-30 db Rated power: 1.2-6W Rated voltage: 5V Gear: 3 gears Battery life: 3-6 hours Battery capacity: 4000mAh Product size: 16x14.5x13cm/6.2x5.7x5.2 in Packing size: 17x15.5x13.5 cm/6.7x6.4x5.3 in Product weight: 0.46KG/1 lbs Packing weight: 0.59KG/1.3 lbs Package included: 1 x Air cooler 1 x Manual 1 x USB power cable