Fitbit alta hr activity tracker with heart rate monitor in comparison

Slim, jewelry-inspired design – Ultra-thin fitness and wellness tracker with sleek Black/Graphite finish and bright color display that looks great at work, gym or night out.

Better measure calorie burn, understand resting heart rate & more with 24/7 heart rate tracking and a battery life of up to 7 days (varies with use and other factors) Choose from 15 plus exercise modes like run, bike, swim, yoga, circuit training and more, set a goal, and get real time stats during your workouts to see how you can keep getting better Automatically record time spent in light, deep and REM sleep stages and see Activity trends, health insights and personalized guidance in one place with Fitbit today Swim proof and water resistant to 50 meters, so you can track swims and wear in the shower; also connect to Smartphone GPS for real time pace and distance during outdoor runs and rides Stay connected to your day with everyday apps for weather and more and get called, text and smartphone app notifications on your wrist The operating temperature is 10 degree to 45 degree celsius; maximum operating altitude: 8,535 m

7 days of battery and Water-resistant up to 50m. Compatible with iOS 15 or higher & Android OS 9.0 or higher.

7 days of battery and Water-resistant up to 50m Compatible with iOS 15 or higher & Android OS 9.0 or higher Move more: Heart Rate on Equipment via Bluetooth, Built-in GPS, 40+ Exercise Modes, Daily Readiness Score, Active Zone Minutes, 24/7 Heart Rate, All-day Activity Tracking, Cardio Fitness Level, Automatic Exercise Tracking, Workout Intensity Map and Reminders to Move Comfortably Connected Day and Night: Google Maps, Google Wallet, Youtube Music Controls, Call, Text and Smartphone App Notifications, Vibrant Colour Touchscreen with Customizable Clock Faces, Timer and Stopwatch Sleep better: Automatic Sleep Tracking, Personalized Sleep Profile, Daily Detailed Sleep Score, Smart Wake Vibrating Alarm, Sleep Mode Meet Google Health Coach.

Product 1: 6+ days of battery and Water-resistant up to 50m Product 1: Compatible with iOS 15 or higher & Android OS 9.0 or higher Product 1: Built for better fitness results: Daily Readiness Score, built-in GPS and workout intensity map, Active Zone Minutes, all-day activity tracking and 24/7 heart rate, 40+ exercise modes and automatic exercise tracking Product 1: Tools to measure and improve sleep quality: personalized Sleep Profile, Daily Sleep Stages & Sleep Score, smart wake alarm and do not disturb mode Product 2: Up to 10 days of battery and Water-resistant up to 50m Product 2: Compatible with iOS 15 or higher & Android OS 9.0 or higher Product 2: Move more: 24/7 heart rate, Daily Readiness Score, Active Zone Minutes, all-day activity tracking, 20+ exercise modes, automatic exercise tracking and reminders to move Product 2: Stress less: always-on wellness tracking, daily Stress Management Score, mindfulness sessions, relax breathing sessions, irregular heart rhythm notifications, SpO2, menstrual health tracking, resting heart rate and high/low heart rate notifications

Product 1: Up to 10 days of battery and Water-resistant up to 50m Product 1: Compatible with iOS 15 or higher & Android OS 9.0 or higher Product 1: Move more: 24/7 heart rate, Daily Readiness Score, Active Zone Minutes, all-day activity tracking, 20+ exercise modes, automatic exercise tracking and reminders to move Product 1: Stress less: always-on wellness tracking, daily Stress Management Score, mindfulness sessions, relax breathing sessions, irregular heart rhythm notifications, SpO2, menstrual health tracking, resting heart rate and high/low heart rate notifications Product 2: [High Precision Measurement] Auto calibration,high precision sensors,weight unit(ST/KG/LB),Maximum load weight 24st/150kg/330lbs/.You can switch weight unit by pressing button on the back of body fat scale.