420ml Nightlight Humidifier

* 420ML colourful nightlight humidifier,white & pink. * 420ml mini humidifiers produce a near-silent frequency 30dB ensuring ultra-quiet operation. This humidifier won’t bother you while sleeping and working. * Portable mini humidifier, Auto Shut Off Function: Mini Humidifier automatically shut-off when the water level is low or 3.5 hours automatic power-off protection. No heat involved, no risk of burns. * The mini mist humidifier Powered by USB charger, it can work just only in the case of power supply, such as USB adapter (500mA - 1A), The USB interface of computer, laptop, power bank.