Parameter: Display: 1.7-inch large screen, HD high-definition resolution; Resolution: 360*360 pixels Bluetooth: BT 5.2 Memory: 128M Charging method: 2PIN magnetic suction wire, spacing 7.6mm Battery: Actual capacity 1000mAh, 3.8V high voltage Waterproof grade: IP68 APP name: FitcloudPro Android phone: Supports original operating system version 5.1 or above Apple phone: Supports system versions of 9.0 or above (if users are lower than 9.0 version, please upgrade first) Function: ▶ Quick bar (control center), data (step counting, distance, calories), heart rate, blood oxygen, sleep, lifting the wrist to brighten the screen, weather, WeChat exercise, information, reminder (message, drinking water, sitting for a long time, alarm clock), female health, stopwatch, countdown, find mobile phone, find bracelet, shake and take pictures, dial switching, music control, settings (language selection, brightness adjustment, bright screen duration, vibration settings, factory reset, version information), components (function editing), password lock, breathing training, exercise, exercise history, do not disturb mode, power saving mode, low power reminder, voice assistant (SIRI), call function, commonly used contacts, phone dialing pad, split screen (sidebar), scan code connection, calculator, calendar, OTA ▶Message and call reminders: phone number, text message, WeChat, QQ, Facebook, Twitter, Instagram, Skype, WhatsAPP, others ▶Exercise/100+ modes: 8 commonly used sports modes: walking, running, mountaineering, cycling, blue ball, swimming, badminton, football; through the APP, you can add: tennis, rugby, golf, yoga, gym, dancing, baseball, elliptical machine, rowing machine, cross-country running, skiing, bowling, dumbbells, sit-ups, free training, etc. 100+ types of sports language: Watch menu languages: Simplified Chinese, English (default), German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portugal, Romanian, Polish, Turkish 15 types in total APP language: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German-made Italian, Czech, Slovak, Japanese, French, Lanzan Persian, Thai, Swedish, Simplified Chinese, Traditional Chinese, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Albanian, Arabic, Korean Packing list: Smart watch *1 Charger*1 Manual*1 Original box*1