Product description Sensors High precision 6-axis sensor and PPG heart rate sensor6-axis sensor: Low power-consumption 3-axis accelerometer and 3-axis gyroscopePPG heart rate sensorDigital MEMS microphoneBattery life14-day extra-long battery life with magnetic chargerCharging method: Magnetic chargingCharging time: < 2 hoursBattery life: ≥ 14 daysSports11 professional sports modesSupported exercises:Outdoor running, power walking, cycling, indoor running, pool swimming, freestyle,indoor cycling, elliptical, jump rope, yoga, rowing machineSupports automatic running or walking detection, pace alerts, completed kilometer alerts, high heart rate alertsHealth24-hour heart rate and sleep monitoringwith women's health trackingHeart rate monitoring: Whole-day heart rate manual heart rate, resting heart rate and heart rate curveSleep monitoring: Deep sleep, light sleep, rapid eye movement (REM), napsWomen's health tracking: Provides recording and reminders for the menstrual cycle and ovulation phasesStress monitoring, breathing exercises, PAI vitality index assessment, idle alerts, step counter, goal settingOther featuresRemote photo-taking, music playback, find my phone, phone muting, phone unlocking, incoming call notification, do not disturb, WhatsAPP notification, app message alerts, calendar reminder, event reminder, weather forecast, timer, countdown timer, alarm, Bluetooth broadcasting, online dials, custom dials, preset dials, screen locking, charging progress display, choice of wearing method, OTA upgrades