Introducing the FitMetrix Heart Rate Sensor fmX4, the perfect fitness companion for gym and training enthusiasts. This state-of-the-art heart rate monitor is equipped with Bluetooth technology, allowing for seamless connectivity with your favorite fitness apps. The device also boasts internal memory for storing essential workout data.

In terms of features, the FitMetrix Heart Rate Sensor fmX4 comes with a heart rate monitor, making it easier to monitor your fitness and health goals. Its compact and sleek design guarantees a comfortable fit, regardless of your workout routine. Whether you're a beginner or a seasoned fitness enthusiast, the FitMetrix Heart Rate Sensor fmX4 is an excellent choice for anyone looking to take their fitness journey to the next level.