HK8 Pro Max Ultra Smart Watch for Men 49mm AMOLED Screen with Compass and NFC Fitness Tracker with Blood Pressure Monitoring and Bluetooth Calling Compatible with Android and iOS - 2.02-inch Full Touch OLED Display with 485x520 Resolution - Equipped with SpO2, Heart Rate, and Blood Pressure Monitoring Sensors - Supports Bluetooth 5.1 for Stable Connectivity - Built-in Pedometer, Multiple Sports Modes, Sedentary Reminder, and Sleep Tracking - Music Control and Bluetooth Calling Functionality - 380mAh Battery with Wireless Charging Support - IP68 Waterproof Rating for Daily Use Protection - Durable Zinc Alloy Case with Silicone Strap Options in Black, Green, Gray, Yellow, and Orange - Calendar, Stopwatch, Alarm Clock, Weather Forecast, and Flashlight Features - Phone Finder, Anti-Loss Alert, and Message Notifications - Compatible with Android 4.4 and iOS 8.0 or Later - Multi-Language Support via App: English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Arabic, and More - Dynamic Watch Faces with Customizable Dial Options - Integrated Compass for Accurate Direction Detection - Alipay and QR Code Payment Support (where applicable) - AI Voice Assistant Support for Hands-Free Operation Note: This device is not a medical device. Health metrics are for reference only and should not be used for diagnosis.