LOANIY Y86 1.43 Inch Heart Rate Monitoring Smart Bluetooth Watch, Color: Gold Steel 1. Functions: Bluetooth calling, Bluetooth music playback control, remote camera control, 24-hour heart rate monitoring, accurate sleep monitoring, blood oxygen saturation monitoring, HRV, Lorentz scatter plot, METs, menstrual period and ovulation period reminders, blood pressure monitoring, blood glucose, stress test, breathing training 2. Activities: Step counting, calories burned, distance 3. Information notifications, weather, alarm clock, stopwatch, timer, flashlight, find phone, voice assistant, calculator, mini-games 4. 100+ sports modes: Running and walking, cycling, outdoor sports, dancing, indoor sports, combat sports, ball games, water sports, leisure sports, board games, etc. 5. Do Not Disturb mode, APP download, multiple watch face switching, raise-to-wake screen, lower-to-sleep screen, brightness adjustment, switch settings, watch local time setting, always-on display 6. UI Language Support: Default language (English): Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Indonesian, Romanian, Arabic Parameters: 1. Screen Size: 1.43-inch AMOLED 2. Resolution: 466x466 3. System Requirements: Android 5.1 and above, iOS 8.2 and above 5. Bluetooth Version: Bluetooth 5.3 6. Main Control Chip: JL7013A 7. Heart Rate Chip: GH3018 8. G-Sensor: KX1057 9. Battery Capacity: 280mAh 10. Internal Memory: SRAM: 640KB + ROM: 2M 11. External Memory: 128M 12. Standby Time: 10-15 days 13. Battery Life: 5-7 days 14. Always-on Display Battery Life: 2 days 15. Charging Method: Magnetic charging 16. Motor: Built-in, vibration reminder 17. Waterproof Rating: IP68 18. Material: Aluminum + Plastic + Steel 19. Watch dimensions: 43.7mm x 11.8mm 20. Strap width: 22mm