Model: S5 Band material composite silicone: wrist circumference 145-1 95mm. Bluetooth: Bluetooth 5.0 Shell material: ABS Service temperature:-5 C-45 "C. Operation mode: touch Battery capacity: 105 mA Strap color: 10 colors are optional Display: 0.96 inch TFT color Charging method: magnetic charging. Accessories: watches, wristbands, manuals, charging cables. Waterproof grade: IP68 APP languages: Simplified Chinese, English, French, German, Spanish, Italian, Japanese, Russian, Portuguese, Turkish, Vietnamese, Polish, Dutch and Arabic. .... Functions: step counting, calorie consumption, exercise distance, body temperature, sleep, stress, telephone reminder, message reminder, sedentary reminder, water reminder, alarm clock, low battery, wrist-lifting screen, mobile phone search, screen lock, stopwatch, countdown, do not disturb mode, women's health, weight management, metric and English selection. 1. This product is not a medical device, and the measured data are compatible reference only, not as a basis compatible medical diagnosis. During all-weather data detection, the default heart rate, blood oxygen, blood pressure, temperature, etc. are measured once every 15 minutes. 2. The data comes from Xingmai Lab. The actual battery life varies according to the user's usage habits, so please take the reality as the standard. In typical scenes, the battery life can last compatible 7 days: the heart rate is always on, the average exercise is 30 minutes per week, the message notification is turned on (50 messages and 5 incoming calls every day), and the wrist is raised and the screen is lit up every day; It can be used compatible two weeks in long battery life mode. 3. The body surface temperature is detected by an embedded sensor, and then the body temperature is estimated by an algorithm. The data are compatible reference only, not compatible medical diagnosis. 4.16 sports modes include: walking, running, cycling, mountain climbing, indoor running, football, basketball, badminton, tennis, Fitness, spinning, skipping, roller skating, dancing, yoga, hiking. Up to 4 modes can be added to the bracelet, which can be customized in the APP. 5. Sleep data is not displayed on the bracelet, and can be synchronized to the APP after connecting the APP. 6. Due to the limitation of the iOS system, some iOS15 users will not support the call reminder function. 7. Women's health needs to be used in the APP. 8. Weight management needs to be used in the APP. 9. The alarm clock needs to be synchronized to the device side after the setting of the APP side is completed. 10. It meets IP68 waterproof standard, and can be used compatible daily shower or other daily waterproof, but not compatible diving, diving hot water shower, hot spring, sauna and other wading activities or deep water activities. The waterproof function is not permanent, and the protective percompatiblemance may be reduced due to daily use or wear.