Item Type: Humidifier Material: ABS Size: Approx. 68x68x143mm / 2.7x2.7x5.6in Working Voltage: DC 5V Working Current: 400mA Use Power: 2W Water Tank Capacity: 230mL Spray Volume: 25mL/H Support automatic power off function for water shortage Support adding a small amount of perfume, it is recommended to use water based aromatherapy water, do not add oily essential oils, in order to avoid the oil blocking the function of the atomizer Package List 1 x Humidifier 1 x Charging Cable 1 x Manual 1. This product can be added with a small amount of perfume, it is recommended to use water based aromatherapy water, do not add oily essential oils, in order to avoid oil blocking the function of the atomizer.2. It is recommended to use clean tap water instead of distilled or mineral water. 1VIVID COLORFUL CYCLING LIGHT & NIGHT LIGHT This cool mist humidifier has a vivid colorful cycling light setting that creates a peaceful ambiance while delivering a soothing mist. It offers maximum relaxation for you. The night light could improve your sleeping quality. 2PORTABLE MINI HUMIDIFIER & USB POWER SUPPLY Portable design is very easy for you to take to anywhere. The USB power supply is compatible with any device USB port which ensures it can be used in bedroom, office, car. 3QUIET ULTRASONIC OPERATION Ultrasonic humidifiers produce a near silent frequency of 26dB (quieter than a library) ensuring ultra quiet operation. This humidifier won't bother you while sleeping and working. It can effectively moisturize dry skin and help you reduce skin peeling. 4ONE BUTTON CONTROL The portable USB humidifier is very easy to operate. One button controls all functions, you simply need to press the power button every 1 second to control the mist. Keep pushing the power button to enable the night light and colorful light function. 52 SPRAY MODES & AUTO SHUT OFF Continuous and intermittent modes. On continuous mode, it will automatically shut off after 6 hours. On intermittent mode, it will automatically shut off after 12 hours. It shuts off when the water level is low.