1. Accurately record all-day activities, exercise, sleep, heart rate ...; 2. A large number of message reminders. Personal message reminders such as incoming calls, SMS, WeChat, QQ, alarm clock, sedentary, drinking water, email, etc. Don't miss every important message; 3. Thoughtful sleep housekeeper, check sleep conditions; 4. Heart rate monitoring, check your heart rate zone at any time. Smart watch model number: R33_5894 Watch version: R33_V1.35.00