This smart activity tracker from Garmin is designed to help you monitor your fitness goals and optimize your workout routines. With a heart rate monitor and a variety of features such as Bluetooth connectivity, alarm, and calorie monitor, this device is perfect for those who are into gym and training, crossfit, swimming, pilates, running and jogging, and overall fitness enthusiasts. The Garmin Vivosmart 4 Smart Activity Tracker comes in black, with a large size suitable for unisex adults. It is suitable for both indoor and outdoor activities and can be worn on the hand. This device is equipped with average speed and heart rate monitoring, clock, and other standard features that you would expect from a high-quality activity tracker.