Features: ? Large Water Tank & Portable Top Lid: Our humidifier comes with a 3.3L water tank, this cool mist humidifier for bedroom sends out enough steady fog to cover a large room; Design with portable top lid, easy to remove to fill in clean water. ? Dual Nozzle Design & 3 Mist Modes: 2 vaporizers on top to get double mist output volume, which can fast to break water into extremely micro-particles and release oxygen anion. With 3 modes to switch - Continuous spray, nozzle alternate spray, intermittent work mode. ? Better Sleeping Experience: The decibel of the humidifier is as low as 35db, which can humidify the air quietly without affecting sleep. Press and hold the button for 3 seconds to turn on the ambient light as a night light. ? USB Plug and Play & Safety Protection: Support power by USB cable, which compatible with various plunger such as power bank. Design with intelligent anti-dry protection, the humidifiers will auto shut-off after 12hrs operating. ? Perfect Gift: Oxygen