Hardware Configuration: CPU: Realtek8763EWE Display Screen: 1.46-inch TFT LCD Resolution: 360x360 Bluetooth: 5.0 RAM/ROM: RAM: 578KB, ROM: 640KB + Plug-in 128Mb Heart Rate Sensor: HX3605 Battery: Polymer Lithium Battery 450mAh Charging Method: Magnetic Charging Charging Time: 2 hours Bluetooth Effective Distance: 10 meters Waterproof Level: IP68 Battery Life: 15 days Material Technology: Watch Case: Zinc Alloy Buttons: Stainless Steel Strap Material: VITON Head Size: 47.8x47.8x13.5mm Strap Size: Long strap 133mm, short strap 93mm Function Introduction: Product Features: Bluetooth call, voice assistant, female menstrual cycle tracking, 4 styles theme menu, music playback, custom dial, step counting, brightness adjustment, long bright screen setting, sleep detection, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, breathing training, information push, remote control music, remote photography, real-time weather, find mobile phone (when connected to the mobile phone), alarm clock, stopwatch, timer, stock information, do not disturb mode, call reminders. Support System: Android 5.1 or iOS 8.2 or above, with Bluetooth 5.0 BLE support. Multilingual Support: Supports 24 languages, including English, German, French, Spanish, Portuguese, Russian, and more. Message Push Support Language: The language of message push is displayed on the watch; if not supported, it may display as boxes. Full-time Display: Displays date, day, clock, and minute. Supports both 12/24-hour time formats and synchronizes with the mobile phone time after Bluetooth connection. Walking Movement Monitoring: Monitors steps, calories burned, walking distance, and provides automatic heart rate and blood pressure monitoring. Information Reminder: Supports various message notifications, including calls, SMS, and various social media platforms. Remote Photo: Allows remote photography by using the watch as a shutter button for the mobile phone camera. Bluetooth Off Shortcut Key: Provides the option to enable or disable Bluetooth and information push based on user preferences to manage power consumption.