J-Mex MOTi Fitness Tracker Monitors All Workout & Exercises for Weight Lifting Strength Training Bodybuilding Works with Android & iOS App Includes Coaching Program SENSORS 3-Axis accelerometer, 3-Axis gyroscope. The MOTi Fitness Tracker is one of the most sophisticated fitness tracking devices on the market. SMART TRACKING & HEALTH TRACKERThe MOTi Fitness Tracker recognizes 20 types of gym exercise and 12 types circuit training exercise that helps you better understanding every activity data of yourself. Records steps, calories, distance and repetitions. No more paper and pen, it tracks for you. YOUR VERY OWN GYM COUCH With the free comprehensive workout app keeping track of your workouts, its like having a personal gym couch. The app also helps you get a better understanding of your fitness level HEALTH TRACKER Records steps, calories, distance and repetitions. No more paper and pen, it tracks for you. INSTRUCTION VIDEOSearch ''MOTi Fitness Tracker User Guide'' on YouTube for product instruction.