Myzone MZ-3 exercise tracker and heart rate monitor with built-in memory and unrivaled versatility. From the Manufacturer: Belt up, collect MEPs and go for your goals. The MZ-3 connects easily to your phone, favorite cardio machines and screens in the gym so you can workout your way. Go phone-free with built-in memory and make every workout count. Join millions of Myzone users and find your squad. Fun, fair fitness. Brand new, never worn and in original packaging. Clean, Smoke Free Home All reasonable and fair offers accepted. Super Fast Shipper!! ⚡️⚡️