5 spray modes - The wireless dual nozzle humidifier has 5 working modes: continuous flow spray, alternate spray and intermittent spray for 1 or 2 nozzles, to meet your different needs Wireless/Wired - The built-in 2000mAh battery can continue to work wirelessly for up to 10 hours and provides fast charging in 2-2.5 hours. Battery status indicator and also with USB plug-and-play function Timer and BPA-free materials - Optional 4-hour/8-hour auto shut-off to protect the wireless humidifier and for safety reasons. security. Made of BPA-free materials, ideal for the nursery and kids All-in-One Function and Quiet Design - Aromatherapy Oil Diffuser, Cool Mist Humidifier, Sound of Water air is only 28 dB, no matter who is sleeping, studying or working will not be disturbed. It can make your environment full of aroma and humidify the air. Ideal for Personal, Home, Bedroom, Plant, Office, Yoga, Travel, Baby, Office. Large Capacity & Mist - 800ml large capacity water tank ensures continuous use