Amazfit GTS 4 Mini 41.8mm Black Case with Black Silicone Band (W2176OV1N)
Sport Modes : Includes 120+ sports modes and smart recognition of 7 sports. Health Monitoring : Monitor heart rate, blood-oxygen saturation, and stress level with a single tap. Compatibility : Compatible with Android 7.0 and above & iOS 12.0 and above devices.