DAY & OVERNIGHT HEART RATE - Enjoy heart rate tracking day & night plus continuous tracking during workouts. DAILY ACTIVITY TRACKING - Automatically counts steps, calories and distance. AUTOMATIC SLEEP MONITORING - Wake to a Sleep Score based on light & deep sleep cycles, interruptions, depth & regularity. MULTISPORT TRACKING -Delivers Fitness Level via VO2 max estimation | Tracks 30+ sports and maps your session with distance, elevation, and pace via connected GPS RECORD BATTERY LIFE - Spend more time moving and less time charging with a rechargeable battery that lasts up to 25 days. SMART NOTIFICATIONS - Customize call, text, event & app notifications from your smartphone right on the watch screen. WATER RESISTANT TO 50M - Steel HR Sport is a life-friendly hybrid smartwatch that can accompany you to the pool or hit the showers. AUTOMATIC DATA SYNC - Steel HR Sport seamlessly syncs with the free Health Mate app via Bluetooth. Works with Alexa, Apple Heath, Google Fit, Strava and 100+ top health & fitness apps. SWAPPABLE WRISTBANDS - If you have multiple bands, it's easy to change them in seconds to wear Steel HR Sport your way: leather, silicone or metal