Keep a track of all your fitness activities by getting the Noise NoiseFit Endure Smart Watch (32.51mm) online. It comes in a sturdy, sporty, and stylish design. This smart watch comes with a host of features so that you can keep a track of your activities and continue to get going. With a Blood Oxygen Monitor right there on your wrist, keep a track of your health and know when you need to make changes for good. It offers SpO2 monitoring which makes it more efficient. It also comes with menstrual cycle tracking which makes it more advanced. It is compatible with the Android 5.0+ and iOS 8.0+ operating systems.