1. VIBRANT COLORFUL BIKE LIGHT & NIGHT LIGHT – This cool mist humidifier has a bright colorful bike light setting that creates a calm atmosphere and soothing mist. It offers relaxation. The night light may improve sleep. 2. PORTABLE MINI HUMIDIFIER & USB POWERED – The portable and small design makes it easy to carry. The USB power supply is compatible with the USB port of the device, allowing it to be used in the bedroom, office, or car. 3. QUIET – It operates quietly. This humidifier is less likely to disturb you while you sleep or work. It can help moisturize dry skin and reduce skin peeling. 4. ONE-BUTTON CONTROL – The portable USB humidifier is easy to operate. One-button control for all functions. Press the power button every 1 second to control the mist. Press and hold the power button for 3 seconds to activate the night and colorful light function. 5. TWO MIST MODES & AUTOMATIC SHUT-OFF - This humidifier has two mist modes: continuous and intermittent. In continuous mode, it will turn off after about 4 hours. In intermittent mode, it will turn off after about 6 hours. It also turns off when the water level is low, reducing the risk of damage due to lack of water. You can use it at night with less concern about safety.