Huawei Fit Watch GT Classic Fortuna-B19S is compatible with Android, Google, and iOS operating systems. It connects via Bluetooth with your smartphone. The watch comes with a 1.39'' AMOLED touchscreen display. It accurately monitors all the activities. It has various features like a pedometer, calories calculation, monitors sleep, GPS, weather forecast, stopwatch, etc. Access your social media messages and notifications at your wrist. Also, you can manage and receive a hands-free call through this watch. The watch is 5ATM waterproof. You can unlock more of its features on its app.