【Portable USB Small Air Humidifier】-Portable small design, very easy to take to anywhere, super suitable for travel.The USB Power Supply is compatible with any device USB port which ensures it can be used in bedroom, office and car. 【Quiet Functions and Lighting】-Warm light can be used as bedside lamp,create a romantic atmosphere.It also has a low-silent operation of less than 30 decibels, ensuring ultra-quiet operation. This humidifier won’t bother you while sleeping and working. 【AUTO SHUT-OFF】-The humidifier has an automatic power off function when the water level is low.If you want to continue to use it, please observe the amount of water in the tank before pressing the function button to start up again.You can use it at night without worrying about safety. 【Aromatherapy Sleep Aid】-Free 10ml essential oil.You can drip essential oils into to give your bedroom a pure scent.It offers maximum relaxation for you.Improve your sleeping quality. 【120ml Desk Mini Humidifier】- The sleek and transparent 120ml liter water tank is easy to fill right.Moisturize all day.