س: ما هي احتياطات السلامة التي يجب اتخاذها عند استخدامه؟

ج:

Do not use on broken skin, wounds or areas with pacemakers; it is recommended that each use does not exceed 15 minutes and no more than three times a day to prevent excessive muscle stimulation; when the heat function is on, avoid covering with thick clothing to prevent local overheating.