What do the different colors of the indicator on the Redmi Smart Pen mean?

The indicator on the Redmi Smart Pen has different meanings, which provide clear feedback on its battery status.
The meanings of the charging indicator colors are as follows:
  1. When you are charging the Smart Pen, it shows a yellow light, meaning that the Smart Pen is in the process of charging;
  2. Once the Smart Pen is fully charged, the indicator turns green, signaling that the battery has reached its full capacity;
  3. A flashing red light means the Smart Pen has a low battery and needs to be recharged soon. This serves as a reminder to charge it to avoid interruption during use.