Features:Multifunctional Health Monitoring: This outdoor smartwatch has all-day heart rate, and sleep monitoring functions. It can give you a comprehensive understanding of your health status. The data is synchronized to the APP for you to check at any time.Comprehensive Sports Records: Whether it's step counting, exercise time, exercise mileage, or calorie consumption, real-time heart rate during exercise, this watch can accurately record it to help you better manage your exercise.Intelligent Reminder Function: Customized alarm clock, sedentary, incoming call, and information push reminders, so that you won't miss any important things in your busy life.Rich Other Functions: Voice assistant, make calls, answer calls, reject calls, cinema mode, brightness adjustment, wrist rotation bright screen, time display, remote control camera, do not disturb mode setting, dial customization, 123 sports modes, breathing training, female function reminder, 8 UI style changes, etc., to meet your various needs.Long Standby Time: The standby time is as long as 20-25 days, and the normal use is 3-5 days, no need to charge frequently, suitable for long-term outdoor use.Personalized Design: The dial can be customized, and 8 UI styles can be changed to meet your personalized needs.Specification:Optional Color: Black / OrangeMaterial: Metal+PC+Silicon strap Main chip: RTL8763EWE (BT Call) Heart rate sensor model: HX3605 BT Version: 5.2Memory size: RAM 384KB, ROM 128MB G-sensor Model: SC7A20 Display