The Beurer Handheld Infrared Massager MG21 with a choice of 2 functions you can enjoy a vibration massage that will loosen your muscles and relax your body; switch on the warming infrared function to intensify your massage, increasing blood flow around your body and promoting healing. With 3 massage application heads to choose from, the MG21 is perfect for massaging your upper back, along your spine, and reviving tired legs.