[Compact Size with Adjustable Angle]- To break the disadvantages of traditional humidifiers, air humidifiers support adjustable misting angle by 180 degrees. This enables a bigger misting area and helps small water molecules moisturize the skin more deeply. With its small size(7.2in*2.8in), the portable humidifier prefect for travel,car,desktop or small bedrooms. [USB or Battery Powered]- Our portable cool mist humidifier is powered by a rechargeable battery. You can either enjoy humidification cordlessly or by any USB-port power sources. Take the mini humidifier with you anywhere! The cute humidifier runs for up to 4 hours on a single charge. [Two Spray Modes ; Timed Power-off]- This personal humidifier has two mist modes: Continuous and intermittent mode. Please soak the cotton core for a few minutes when you use it for the first time. On continuous mode, the portable humidifier will automatically shut-off after 4 hours. On intermittent mode, the humidifier will automatically shut-off after 8 hours, effectively preventing dry burning accidents. [Silent Operation ; Colorful Cycling Night Light]- Silent operation below 30dB allows you to sleep tight in a quiet environment. There are 3 night light modes---colorful cycling, 7 color auto change and fix on specific color. The small humidifier creates a peaceful ambiance while delivering a soothing mist. You can enjoy a maximum relaxation and improve your sleeping quality then. [The Last Humidifier You Ever Need!]- Elegant! Portable! Rechargeable! Adjustable Angle! Night Light---Essential oil is not supported.For any questions at any time, please feel to email us.