1. CPU: 8762DT+HN333 2. Display: 1.32 inches 3. Resolution: 360*360 4. Bluetooth: BLE5.0 5. RAM/ROM: 192KB/256KB Flash 64MB 6. Heart rate sensor: Vikxin Micro LC11 7. Battery: 260mAh polymer battery 8. Charging method: Magnetic charging 9. Charging time: 2 hours 10. Bluetooth effective distance: 8-10 meters 11. Waterproof level: IP67 12. Battery life: 5-7 days 13. Material: aluminum alloy + TPU 14. Support system: support iOS 9.0 and Android 5.1 and above operating systems 15. App supports languages: Chinese Simplified, Chinese Traditional, English, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish, Vietnamese, Dutch, Czech, Danish, Hungarian, Swedish language, Vietnamese, Snofak, etc. 16. Watch firmware languages: Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Thai, Dutch, Italian, Greek, Hebrew, Indonesian, Malaysian, Polish, Arabic language, Vietnamese, Slovenian, Romanian, Turkish, Croatian 17. Functions: bluetooth calling, watch dialing, password lock function, female physiological health management, heart rate monitoring, blood pressure detection, blood oxygen detection, sleep monitoring, synchronous address book, information push, music control, multi-sport mode, sedentary reminder, online massive dials, anti-lost reminder, do not disturb mode, alarm clock, schedule reminder, remote control photo, stopwatch, countdown, weather, bright screen switch, information reminder, etc. 18. Header size: 45x45x10mm 19. Strap size: 20mm 20. Packing list: watch head*1, watch strap*1, magnetic charging cable*1, user manual (ten languages)*1