Usb charger electric humidifier

1. input voltage: dc12v,

2. output voltage: dc12v,

3. power: 1. Spray
4. water tank capacity: 50 ml,

5. Spray quantity: 20 - 30 ml / per hour,

6. USB jack: dc5v2.1a,
7. function: aromatherapy / wet / purification,

8. operation duration: 2 hours automatic disconnection