... of wear, generally recommended to use twice a day, each with 20 to 50 minutes, suitable for individual circumstances, when ... office use.3. Acute soft tissue injury, please 24 hours before use.4. Intimate with pacemakers are disabled, individual allergic caution, may cause ... water wash, do not use detergent, bleach, soap wash. Gently with water or neutral detergent, slightly (5 minutes wash).7. Pregnant ...