This device is not compatible with iOS. For Android connectivity, an APK file must be downloaded and installed manually     Display: 1.43″ AMOLED round display with 466 × 466 resolution; supports always-on display and customizable cloud-based watch faces. Battery: 300mAh capacity delivers up to 12 days battery life on typical usage; recharges in just 90 minutes via magnetic charging. Platform: Runs on Zepp Active app for Android; supports Bluetooth 5.2 connectivity and includes voice assistant, smart reminders, and fitness tracking. Features: Includes Bluetooth calling, 100+ sports modes, heart rate & SpO₂ monitoring, music/camera control, stress tracking, and customizable dials.