Nano self heating belt 1.CE approved 2.nano saleheating 3.fast delivery 4.1 year waranty ... ,easy operation and portable,lose weight and keep healthself heating slimming belt(for neck,wrist,waist,knee)1.Magnetic ... knee,black, Wear on your knees 2.and equipped with a few COINS, massage, acupuncture magnet ... :51*43*49cmpcs/carton:25 pcspackage material:PVC self heal Nano self heating belt