⚠️ Challenges
The LION (Japan) kids' electric toothbrush suffers from inconsistent vibration, loud operational noise, and a risk of damaging the enamel layer.✔ Solution
Following our technical engineering analysis, we switched to a different transducer chip. After extensive debugging and testing, we successfully leveraged the stable vibration frequency of the new chip to achieve effective tooth cleaning while ensuring long-term use without damaging the gums.More Cases
