【Aromatherapy Diffuser】The cold mist USB humidifier can balance the humidity level of the room, and add moisture to improve the air quality around you. Mini Humidifier helps you reduce skin peeling and effectively moisturize dry skin. 【Micro-USB Air Purifier】The maximum standby time of this portable humidifier is 6H and have a built-in timer function, so you can use it as you need and have a good sleep.The Car humidifier powered by Micro-USB data cable, providing greater flexibility for users to charge. 【Handled and Portable】This handheld air humidifier, small diffuser oils, can be carried anywhere.Car diffuser, with 7 colors LED Night light and the cute shape, is fun and elegant as a gift for babies or lover. 【Worry-Free Charging】Powered by Micro-USB cable, the humidifier can be used to moisturize anytime and anywhere, providing greater flexibility for users to charge. 【Safety And Quiet】This ultrasonic diffuser is made of safe PP+ABS materials, which is safe to use. The operating ultrasonic frequency is only 3MHZ, allowing you to fall asleep easily in a comfortable and quiet environment.