ARM TRIMMERS --- Arm Trimmers contains 5 built-in 62mm tourmaline magnetic stones. When you wearing on the trimmer, it will start self-heating and releasing IONIX elements which help promoting blood circulation, melting down fat cells. ARM SWEAT BANDS FOR WEIGHT LOSS --- Tourmaline Magnetic Self-heating Stone is connected directly to the bloodstream. It helps our subconscious notice if part of our body isnt receiving enough blood and make changes to the bloodstream as necessary. In particular, this property positively impacts the hormone system and has positive effects on its metabolism, and digestive system, and enhances fat cell melting effectiveness. PROMOTE METABOLISM --- Work on the body to activate body cells, relieve pain, remove waste from the body in a healthy way and reduce weight. It helps to remove impurities from the body, improve metabolism and strengthen the immune system. PERFECT FIT --- Each arm trimmer comes with an adjustable magic band designed to create contours and curves around your biceps to perfectly fit your shape and size. Speed up your calorie burn and make your arms slimmer Specification: Size: One Size(Adjustable) Color: Red, Black Package Includes: 1 * Arm Trimmers