Functions: sleep monitoring, heart rate, blood oxygen, exercise, activity record, Bluetooth call, Bluetooth music, voice assistant, message reminder (WeChat, QQ, SMS, WhatsApp, Facebook, Tittwer, etc.), weather, breathing, blood pressure, Meisuo, tools (calendar, calculator, timer, stopwatch, idle clock, remote control photography, NFC, SOS, drainage, find mobile phone, business card QR code), application center (me and him, blood sugar, breathing rate, short video control), payment (Alipay offline payment, wallet payment QR code) settings (notification, general (about this machine, language settings, connect to mobile phone, restore to factory, restart, shutdown, do not disturb mode, power saving mode, display and screen (brightness adjustment, raise wrist to light up the screen, screen dial, always on touch, screen off time, always on time, wake up the screen), APP view, sound and vibration, password switch, button definition, time setting, Health screening reminder, battery, bedside clock) 2. Social APP message reminder: support WeChat Q9, Facebook, Twitter, Line, Whatsapp, Instagram 3. Support multiple languages: Simplified Chinese, English, Persian, Arabic, Thai, French, Spanish, Portuguese, Russian, Polish, Italian, English, Traditional Chinese, Czech, Turkish, Greek, Latin