1.[ mini humidifier]Charcoal shaped lighting and breathing lighting, and small design (4.564.01 inch) is very easy take with you anywhere and super perfect for travel,bedroom,office, which is effectively moisturize dry skin and help you reduce skin peeling. 2.[Simple and fashions humidifier] Humidifier with independent spray and light button, to avoid tedious operation, simple and clear. 3.[Spray and light buttons]Spray button: click to start continuous spray for the first time, click to switch intermittent spray again(stop for 3 seconds) and click to close spray mode for the third time. Light button: The first click will keep the light on, the second click will turn on the breathing light, and the third click will turn off the light mode(cycle). 4.[Operating instructions] Step 1: Open the front cover of the humidifier, and then rinse the cotton tube until the entire tube is wet. Step 2: Fill the humidifier with water, and then screw on the front cover. Step 3: Plug the USB cable into the socket, press the switch and the humidifier starts working.