About Products 1. Battery capacity: 200 m. Ah 2. Bluetooth version: BLE 5.03. Charging method: magnetic charging 4. Resolution: 172x 3205. System: Android system version 4.4 and above, iOS system version 9.0 and above 6. APP: Deep. Fit 7. APP supports languages: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, Turkish, Croatian, Slovenian, Mongolian, Polish 8. The watch supports languages: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, Turkish, Polish. Function 1. Supports heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, blood sugar monitoring, steps, distance, calories, sleep monitoring (sleep duration, sleep quality), stopwatch, exercise mode, incoming call reminder, alarm clock reminder, sedentary reminder, lift Turn on the screen with your hand, turn your wrist to take a photo, womens health, high body temperature reminder, high heart rate reminder, drink water reminder, take medicine reminder, connect to We. Chat exercise, connect to Apple Health, etc.2. Message notification reminders: incoming calls, text messages, emails, We. Chat, QQ, Facebook, Twitter, Whats. App, Linked. In, Instagram, Messenger, Snapchat, Line, Kakao Talk, Viber, Skype, telegram, Vkontake, Apple. Mail, Apple. Calendar, Apple. Facetime, TIM , Ding. Talk, Enterprise We. Chat