< p > MINI - humidifier: compact design, easy to carry. Suitable for Cars, Travel, Bedrooms, Offices, effectively moisturizes dry skin and helps you reduce skin peeling and nosebleeds < / p > < p > USB only: no battery. USB compatible with USB ports of any device, safe and easy to use < / p > < p > two spray modes and automatic shut-off: continuous spray and; Intermittent spraying. Click the spray button for the first time to activate the continuous spray mode. Click the spray button again to switch to intermittent spray mode, click spray Press the button a third time to turn off the sprayer. In continuous mode, it automatically turns off after 4 hours. In intermittent mode, it automatically turns off after 6 hours. When the water level is low, it turns off < / p > < p > Bright and colorful circulating light: This cool mist humidifier features a bright and colorful looping light setting that creates a calm atmosphere while by calming the fog. It offers you maximum relaxation. Night lights are OK Improve your sleep quality < / p > < p > warm tips: ① Do not use essential oils, perfumes or distilled water, which can cause the pads to block and render the humidifier unusable. ② Before starting, make sure the cotton core has been soaked for several minutes. ③ Any quality problem, please feel free to email us. < / p >