Head material: PC+ABS plastic baking paint process Watch strap material: liquid silicone+alloy plastic buckle Display screen size: 1.47 TFT color screen+glass cover plate Display resolution: 172 (R.G.B) * 320 Battery capacity: 160mAh Working hours: 7 days Standby time: 30 days Main control chip: Tailing Micro 9 Series TLSR9215 single chip Gravity sensor: SC7A20/2 * 2/LGA12 Heart rate sensor: Vikxin Micro 30F-S Bluetooth version: BLE 5.0 Bluetooth range: 8-10m Storage memory: 512KB+64KB+64Mb Waterproof grade: IP67 Charging method: magnetic suction charging Main function: Sports monitoring, daily activity recording (step count, calories, distance) 25 sports modes (walking, running, cycling, indoor running, free training, football, basketball, badminton, jump rope, push ups, sit ups, mountaineering, tennis, high-intensity training, indoor cycling, fitness, rugby, golf, dynamic cycling, weightlifting, roller skating, dancing, yoga, indoor walking, hiking). Store the last 5 sports records Health monitoring: heart rate/blood pressure/blood oxygen/body temperature/pressure monitoring, sleep monitoring Smart reminders: incoming calls, emails, text messages, QQ, WeChat WhatsAppFacebookTwitterLineSkypeInstagramLinkedInVKKakaomessenger Long sitting reminder, water drinking reminder, target reminder, low battery reminder Other functions include alarm clock, custom dial, weather forecast, do not disturb mode, brightness adjustment, screen time adjustment, wrist turning and screen turning, photo control, music control, home health, stopwatch, countdown APP:Keep Health Band language: English, German, French, Spanish, Japanese, Chinese, Italy, Traditional Chinese, Russian, Dutch