The BetterMe Fitness Tracker is a sleek black plastic device that can be worn on the wrist to track indoor and outdoor activities. It provides measurements for heart rate and calories, as well as features such as Bluetooth connectivity, a pedometer, and a heart rate monitor. This activity tracker is compatible with both iOS and Android operating systems, making it a versatile option for unisex adults looking to improve their fitness through running and jogging. With a 1-year manufacturer warranty, the BetterMe Fitness Tracker is a reliable tool for achieving fitness goals.