It can be charged anywhere on the laptop through the USB Type-C charging port. You can easily take it anywhere, more portable and convenient. (Reminder: Please turn off the power button when not in use, pour out the water and place it in a dry place.Please remember to charge the product from time to time when not in use for a long time to keep the product battery in good condition.) 2 night light modes: 1 button can control all functions after power-on, the first long press will turn on the warm night light to keep on mode; the second long press enters the breathing light mode, and the third long press turns off the light. 2 Spray mode: 1. The first short press will turn on the continuous spray mode; 2. The second short press will switch to intermittent spray mode (spray for 3 seconds and stop for 2 seconds); 3. Then the third press will turn off the mist model. The powerwill be turned off automatically after 8 hours of continuous spraying, or the power will be turned off automatically after 12 hours of intermittent spraying. Note: 1. Please use fresh water only Do not use with essential oils, distilled water, filtered water, otherwise it will cause the filter cotton to become clogged and the humidifier cannot be used. 2. Please wait for 15 minutes before turning on the productspraying, so that the cotton inside can be fully wetted the first time you use it. 3. (Battery power reminder: It will flash 10 times before stopping work, indicating that it is time to charge.) Color: green