Large 1.96-inch IPS Display: Features a full-view square screen for clear and vibrant visuals Easy Strap Replacement: Compatible with standard 22mm straps, allowing you to switch styles effortlessly Comprehensive Health Monitoring: Includes heart rate, blood pressure, and blood oxygen monitoring, with 24/7 heart rate tracking Multiple Functions: Displays time, tracks steps, calories, distance, heart rate, blood pressure, blood oxygen levels, sleep duration, and offers a stopwatch and multiple sports modes Sleep Monitoring: Analyzes sleep duration and quality for better health management Smart Notifications: Provides call notifications, message alerts, multi-language push notifications, alarm reminders, remote photo taking, and sedentary reminders The bracelet supports multiple languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Russian, Portuguese Specifications: System requirements: Android 4.4 and above, IOS 8.0 and above, support Bluetooth-compatible 5.0 Bluetooth-compatible version: BLE 5.0 Main control chip: Realtek 8763EWE Memory Flash: 128MB Screen resolution: 320*386 Heart rate: HS3605 Speaker: 0916 Battery capacity: 360mAh Standby time: about 30 days Working time: about 5-10 days Motor: built-in, vibration reminder APP/APK download method: Download "FitCloudPro" from Android market, Google Play or for Apple store, scan QR code to download and install "FitCloudPro" Package included:1 x Smart Watch1 x Charging Cable1 x English User Manual