... benefits of low frequency electric therapy, magnetic therapy, far infrared therapy and vibration massage therapy to convert the high ... Shiatsu, acupuncture, scratch, vibration, beating, rolling.Magnetic therapy can balance the Yin&Yang of body and improve ... Power supply:DC 6V / 800 mA for the instrument (adapter and rechargeable battery) DC 3V for the ... : 40°c--48°c electrical neck therapy instrument