Uses / Indications: Omron HM-340 Cushion Massager is an easy way to cure relieves aches on your neck, shoulders, and back. It also helps in improving blood circulation; hence it can be used in post-surgical therapy and physiotherapy training. Rated time: Approx 15 minutesRevolution time per minute: Approx 30 times/minMax heater: 50 degrees Celsius