NUGA BEST NM 80 Small Tourmanium Mat - this is a universal massager with many useful functions. It helps to strengthen the immune system, strengthens the cardiovascular and respiratory system, promotes normal metabolism, stabilizes the nervous system, improves blood circulation, helps to restore the joints and muscles, promotes skin rejuvenation, helps to eliminate toxins, removes and normalizes weight. You can put NM80 on the mattress on which you sleep. Nm-80 massager can be used in any place convenient for you: at home, in the office, in the country and even on the road. NM-80 has no age restrictions and can be used by adults and children. NM 80 made from Tourmanium Nanoceramic is an alloy of tourmaline, germanium, elvan and volcanic rocks. It is a source of heat, magnetic , and ionization. Saturates the air with Negatively Charged Ions. The quality of air near Tourmanium nanoceramics can be compared with the air at the seaside. Nm-80 acts in three ways: heat, ionization and magnetic . Technical Product Information: Dimensions: 758x440x15 mm (30x17x0.5 inch); Voltage: 220V / 50Hz; Maximum power: 130W; Use temperature: 30˚С ~ 70˚С (86-158°F); Product weight: 2.62 kg (5.8 lb) The device works only through a Converter with 110 to 220 Volts! Returns are not accepted.