Humidification : Mist Discharge Power (W): 2W Voltage (V): 5V Use: USB Mist Outlet : One/a Installation: USB Water-shortage Power-off Protection: Yes Humidifying Capacity: 30ml/h Application: 21-30 Power Type: USB Type: Cool-Mist Impeller Humidifier Shape: Classification: Humidification Timing Function: No Operation : Keyboard Type Power (W): 2 Voltage (V): 3.7 Application: Outdoor App-Controlled: NO capacity: 350ML safeguard: power off protection Power Source: USB Installation: Tabletop / Portable Colour:Yellow Material:ABS Size:17.5 x 10cm Package Contents: 1 x Air humidifier 1 x USB data cable Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.