The MZ3 is the most relevant and versatile fitness tracker on the market, using Bluetooth, ANT+ and Analog technology to provide real time feedback on heart rate, calories, and effort, to ensure that you get accurate feedback on all your exercise, wherever and however you choose to train. The MZ3’s in-built memory means you can make every session count even when you’re training away from your gym and it’s not convenient to carry your smartphone. #fitness #getfit #Fitlife