Description: Strong cooling effect: this cooling fan has mini size but operate by a powerful cooling system which saves electricity than air conditioners and cools down quickly than fans. Add water or ice water, it cools down in a short time. It's really an energy-saving and highly efficient mini cooling machine. Ultrasound spray cooling tech: portable air conditioner uses ultrasonic atomization technology to atomize the water into ultra-fine water molecules, the fan blows out the cool and humid air. Unlike other air conditioners, our air cooler can cool the surrounding air, and do not make your skin feel dry. More comfortable experience: our products can be added with ice cubes and essential oils. Add ice cubes to the water tank and add essential oils to the sponge, you will immediately feel the practical of the product, the wind will be cooler and smells good. Smart lighting design: the smart light will not affect your sleep quality at night, put it on the bedside table and coffee table to create a romantic atmosphere! Portable and easy to take: this portable air conditioner fan is mini in size so you can carry it to many places easily with the hand. It can be charged with a USB adaptor, and its electricity storage-friendly. It can operate for 3-6 hours per full charged. Specification: Material: ABS+Electronic Components size: 12.5 x 11.4 x 19.5cm/4.9 x 4.4 x 7.6inch Item Weight: 753g/1.63Ib Power Supply : USB Built-in battery capacity: 4000 mAh Wattage : 8W Voltage: 5V Water tank capacity: 200ml Package Includes: 1 piece Fan 1 piece Spare Swab 1 piece USB data cable 1 piece Instruction manual