INST LeBao Mini Humidifier with USB Cable, Ideal for Bedrooms, Living Rooms, etc. (Black 01) Protable use in office and personal use. Very light weight and compact travel companition that able to connect with USB port, iphone charge and computer Adjustable cool mist humidifier can clean air, smoke and dust. Elimination of electorostatic include negative ion group near computer setting Increase air moisture to provent skin dryness in heat and winter condition Cute animation face makes you happy every day. Lowe voltage require, only DC5V Package include: 2 cotton sticks, a USB-cable connection line, and LeBao hummidifer (There is no such thing as a USB in the package) (Size: 9.5*7.5*7.5cm or 4*3*3 inch; Weight: 168 g or around 4 oz; Water capacity: around 60 ml)