Feature: 3 hours automatic power off. Fine mist can static electricity, reduce the electronic original product radiation, the air inside, formaldehyde and other harmful gas pollution. You can drop the aroma oil into the water to make the air fresher.(Aroma oil is not included.) Help you relax yourself, promote metabolism and other effects. Can moist the human eye and skin care around; light fragrance can soothe the mood. A variety of ways to use: you can directly plug the computer's USB port, access to mobile power or directly into the digital product charging head. Specification:Condiiton: 100% Brand NewColor: TransparentMaterial: ABS + Electronic componentsApplicable area: < 10 square metersWater tank capacity: 1 liter or lessThe number of fog: 1Operation: MechanicalTiming function: 2-8 hoursWater shortage protection: SupportSize: (L) x (W) x (H) 17 x 5 x 5cm / 6.69 x 1.97 x 1.97 (appr.)Package Included:1 x Air Humidifier1 x USB CableNotice:Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.