Portable USB Cool Mist Humidifier V3 400ML Mini Bedroom Humidifier Features: - cute mini desk humidifier, 400ml water tank provides 8 hours of continuous spray. Our cool mist humidifier is safe and environmentally friendly that can even be used by breathing-sensitive people and babies. Lower than 30dB design creates a quiet environment, suitable for baby room, car, office or any other place that has noise- requirement. This low noise humidifier brings you great night sleep and disturbance- work environment. Portable power supply - USB humidifier, an excellent portable humidifier any device USB port, which can beused in bedroom, office, car, bathroom Product specification: Input voltage: DC5V Operating current: 1A Charging current: 1A-2A Battery capacity: 2000mAh Power used: : 2.5W-5W Water bottle capacity/use time: 400ML Spray volume: 35-70ml /H Battery life: 1.5 hours with double spray and night light on, 3.5 hours with alternate spray and night light on standard: GB4706.1.2005 Quality inspection: qualified products Material: ABS+PP+ electronic components Product size 7777175MM net weight/gross weight: 235/275g Style/color: white, Operating Instructions: Short press, double spray, and then short press to alternate spray (3 seconds left and 3 seconds right), then press off spray; Long press for 1.5 seconds to turn on the night light, then long press again to turn off the night light; When the water tank is short of water, the night light flashes slowly for 3 seconds and shuts down. When the spray works, the indicator light lights up. When charging the red light flashes, full of red light is on Package included: 1 x Humidifier 2 x Cotton swab 1 x USB cable