Introducing the Garmin Vivosmart 5 Activity Tracker, a sleek and versatile device perfect for indoor and outdoor activities. This unisex tracker features a black plastic body and can be powered by batteries. It is compatible with iOS and Android operating systems and provides measurements for heart rate, time, distance, and calories.The Garmin Vivosmart 5 Activity Tracker also has a variety of features including a timer, stopwatch, heart rate monitor, water resistance, sleep tracker, and sensors such as SpO2, accelerometer, GPS, and ambient light. It is ideal for gym and training, swimming, and running and jogging. This Like New in Box tracker is sure to help you stay on top of your fitness goals without compromising on style. OPENED AND TRIED ON THEN PUT BACK IN BOX. Retails for $149.99