Description: ULTRA QUIET AND AUTO SHUT OFF -The small cool mist humidifier does not generate any noise, so you will not be disturbed when you are sleeping or working；The humidifier will power off automatically once the water level lower than the probe. LONGER WORKING TIME - The portable mini humidifier has two mist modes. Press the button once to continuously spray for 6 hours, and press the button twice to intermittently spray for 8 hours (stop for 2s).Very easy to operate and great help in moisturizing the dry air for longer time，no need to add water at night. NIGHT LIGHT MODE - This portable desktop humidifier can offer warm night light when spraying the mist,giving you better sleep to improve your sleep quality, alleviate the discomfort and moisturize your skin. NOTE - Do not use essential oils,perfume, distilled water, which will cause the cotton swab to clog and the humidifier to be unusable. If the humidifier can not spray when you use it at first time, please add full water then put it upside down in 5 sec to let it faster absorb enough water or soak the cotton. Brand Name: STEVVEX Gadgets Model Number: ST16GG255BB Capacity: 750ML/500ML Power (W): 2W Voltage (V): 5V Noise: <36db Humidification Method: Mist Discharge Water-shortage Power-off Protection: Yes Function: Aromatherapy Use: Household Shape: Classic Columnar Application: 11-20㎡ Humidity Control: Touch-tone Classification: Humidification Mist Outlet Quantity: One/a Power Type: Battery Type: Ultrasonic Humidifier Timing Function: Yes Installation: USB Mist Output (gallon / day): 40ML/H Humidifying Capacity: 30ml/h Operation Method: Keyboard Type Water tank capacity: 750ML and 500ML Function: Wireless Humidification Type: Rechargeable Cool Mist Humidifier Type1: Ultrasonic Air Humidifier Features: Aroma Diffuser Humidifier Applicable: Home Offcie Car Bedroom