... heatstroke, itch, headache, fevers, toothache, scald, fatigue and sprains, tendon injuries and trauma.Hot compress: alleviate rheumatic pain, menorrhalgia, stomach ... medium power for 100 seconds for each time, and for 60 seconds when be used continuously. Attentions: ... remains soft even in -18°C condition, and can be repeatedly used alternately for hot and for cold.Technical Specifications1, Boiling ...