The box is opened,  but all original parts are in the box

The Koretrak Black Fitness Activity Watch is a versatile and high-tech device designed for both indoor and outdoor activities. With a sleek black design, it features a 400 x 800 display and a GPS sensor for accurate heart rate monitoring while running or jogging. The watch is powered by batteries and is suitable for both iOS and Android operating systems. The Koretrak is made of durable plastic and provides measurements in English, making it a perfect companion for fitness enthusiasts looking to track their heart rate and performance.