Features: Excellent birthday gift for girlfriend, boyfriend, classmates, bestie-, etc. Provides less than 30dB of noise, allowing you to fall asleep easily in a comfortable and quiet environment without disturbing you during sleep and work. Portable humidifier & USB power supply, small footprint, portable and compact-design allows you to easily take it anywhere. Two spray modes and water shortage protections, when the water level of the water-tank is lower than the water level probe in the water-tank, all spray modes are automatically turned off to eliminate potential safety hazards. Suitable humidifier for bedroom, office, baby room or car. Just turn it on and enjoy better, healthier air. Specifications: Material: plastics Size: approx 130x110x126mm/5.1x4.3x5-inch Style: Adorable lion-/diver(optional) Voltage: 3.7-4.2V Charging time: 2.5hours Battery capacity: 2000mAh Applicable area: less than 10 square meters Water-tank capacity: 0.5-1L Function: Ultrasonic Number of fog outlets: 1 Operation mode: mechanical Timing function: more than 8 hours Water shortage and power failure protections: support Color: white/pink Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1X3-in-1 Air Humidifier