The Amazfit GTR 4 smartwatch offers a wide range of features at a budget-friendly price of $169.99, making it a great value for those seeking a versatile and feature-rich wearable. Its capabilities include period tracking, heart rate monitoring, sleep tracking, stress monitoring, and SpO2 level measurement, making it an excellent choice for health and fitness enthusiasts. With its multiband GPS, crisp OLED display, over 150 sports modes, and water resistance up to 50 meters, the GTR 4 is well-suited for various activities. It also boasts Amazon Alexa support, turn-by-turn navigation, and compatibility with both Android and iOS, making it a platform-agnostic device that caters to a wide range of users.