**The color on the picture can be freely combined, please contact customer service to make a note**
Battery: Use 2AA or 3AA battery, put the battery in the battery box, the cotton ball light will light up;
USB: Applicable to appliances with USB socket, such as: charging treasure, notebook USB socket, USB socket plug, link to the powered USB socket, the ball light will light up;
Plug: The plug needs to be plugged into a live outlet for the light to illuminate.
Remote control: The remote control model needs to put the battery in the battery box. The remote control can turn on and turn off the ball light at any time. The most convenient one among the four power supply methods.
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