Amazfit Balance Smart Watch, AI Fitness Coach, Sleep & Health Tracker with Body Composition, GPS, Alexa Built-in, Bluetooth Calls, 14-Day Battery, 1.5 AMOLED Display, for Android/iPhone, Grey About this item✅Advanced health monitoring: Tracks heart rate, blood oxygen, stress level, and sleep quality.✅Mind & Body Readiness Analysis: Provides a score based on your physiological and mental state, indicating your readiness for activity.✅Body composition measurement: Analyzes eight body composition metrics including body fat, muscle mass, water percentage, bone mass, protein percentage, BMI, and basal metabolic rate.✅150+ sports modes: Tracks real-time data for various activities like running, cycling, swimming, and more.✅Sleep tracking: Analyzes sleep stages and provides insights into sleep quality.