What to do if the Xiaomi Electric Shaver S200 makes strange noises during use?

If the Xiaomi Electric Shaver S200 makes strange noises during use, please refer to the following information:
1. It is normal for the shaver to have the sound of the head running during use;
2. If the noise is unusually loud, check if the shaver has been dropped or damaged, which will affect the shaving head, motor, battery, or internal structure. Reinstall the shaving head correctly and see if that resolves the issue;
3. If the problem persists, contact after-sales customer service for assistance.
Note:
The Xiaomi Electric Shaver S200 features a low-noise, low-vibration design, with operating noise kept below 68 dB. The sound level is within a comfortable range for the human ear and will not disrupt daily activities.