Polar M400 HRM Watch

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Style, performance and comfort

M400 is an exceptional blend of sporty design, integrated GPS and advanced training features, along with plenty of options to keep an eye on your activity 24/7.

Features

1. Body measurement features
User-definable heart rate zone limits: There are three ways you can set zone limits: as default heart zones that are automatically calculated based on your max HR; as free heart rate zones for which you can set the limits yourself; or as heart rate zones based on thresholds which you can define yourself.

HRmax (user set)

HRmax (age-based): The highest number of heart beats per minute (bpm) during maximum physical exertion. For a rough estimate of your maximum heart rate, subtract your age from 220. HRmax is a useful tool for determining the intensity of training as intensity zones can be defined using HRmax. Some Polar products define maximum heart rate during the Polar Fitness Test, see also HRmax (Polar Fitness Test -based).

Polar Fitness Test: Polar Fitness Test measures your aerobic fitness at rest in just five minutes. The result, Polar OwnIndex, evaluates your maximal oxygen uptake (VO2max). With the Polar Fitness Test you can measure your aerobic fitness by yourself, automatically and without any exertion. All you need is your training computer. The Polar Fitness Test is as accurate in predicting the VO2max as any sub maximal fitness test. The test is based on heart rate and heart rate variability at rest and personal information.

Polar OwnCal® – Smart Calories: The most accurate calorie counter on the market calculates the number of calories burned. Calculation is based on your individual data: your weight, height, age, gender and the intensity of physical activity. Smart Calories are available in heart rate monitors and activity trackers.

HR-based target zones with visual and audible alarm: You can define your target zones for a training session based on heart rate to help define the right intensity. When you are out of the preset zones, the training computer will give a visual and audible alarm.

Automatic age-based target zone – bpm / %: To help you train safely and effectively, the training computer determines your heart rate target zone limits automatically according to your age-based maximum heart rate (220 minus age). The limits are determined either in beats per minute (bpm), as a percentage (%) of your maximum heart rate, or as a heart rate reserve (% HRR). See also Maximal oxygen uptake (VO2max) and Manual target zone.

Average, minimum and maximum heart rate of training

Heart rate – bpm / %: Heart rate is the measurement of the work your heart does. Heart rate can be expressed as the number of beats per minute or as percentage of your maximum heart rate. Heart rate can also be expressed as a percentage of your heart rate reserve, meaning the difference between your resting heart rate and maximum heart rate (HRR = HRmax - HRrest). In Polar software or during strength training, heart rate can be displayed as a graphical trend.

Heart rate zones: Heart rate zones provide an easy way to select and monitor the intensity of your training and to follow heart rate based training programs. The default heart rate zones are divided into five zones based on the percentage of your maximum heart rate: very light (50-60 % HRmax), light (60-70 % HRmax), moderate (70-80 % HRmax), hard (80-90 % HRmax) and maximum (90-100 % HRmax). You can also define the zones as you want.

Training Benefit: Motivating feedback that’s delivered straight to you immediately after exercise is something that can help all of us. So if you want to know the effect of different training sessions, this feature will tell you exactly what you need to know. You get a quick overview after each session, and for more detailed feedback, you can either check your training file or get further in-depth analysis at Polar web services.

2. Activity features
24/7 Activity Tracking: 24/7 Activity Tracking registers your daily activity at different intensity levels continuously for 24 hours a day, seven days a week. Counts daily calories and steps.

Activity Goal: Get your daily activity goal and guidance on how to reach it. Activity Goal is based on your personal data and choice of activity level. The activity goal bar on your device fills up during the day based on your activity. With practical guidance like ‘walk for 50 minutes or jog for 20 minutes’ you can choose how to reach your daily activity goal. Meet your goal faster with more intense activities or stay active at a moderate pace throughout the day. You can find more tips on how to reach your activity goal from Polar Flow mobile app and web service.

Steps and Distance: Counts steps taken during the day. The number of steps is estimated based on the frequency, intensity and regularity of your wrist movements. Polar Flow mobile app also shows distance based on the steps you have taken.

Active Time: Active Time tells you the cumulative time at low, medium and high activity intensity. In the Polar Flow mobile app and web service you can also see time spent in different activity intensity levels.

Sleep Duration and Quality: Sleep and required amount of rest are very individual and affected by several factors like training load, stress, body’s condition and individual differences. Polar Flow mobile app and web service tell you how much you have slept and how restful your sleep has been. By following your sleeping patterns you can see if they’re affected by any changes in your daily life and find the right balance of rest, daily activity and training.

Activity Benefit: Activity Benefit gives you daily, weekly and monthly feedback on the benefits of your activity and on the effects of sitting. The more you move, the greater the health benefits are. Check out how youre doing in Polar Flow mobile app or view the detailed information on health benefits in Polar Flow web service.

Activity Intensity Levels: Your Polar device tracks your daily activities at five intensity levels: resting, sitting, low, medium and high. Check out how active youve been from Polar Flow web service and mobile app. You can also compare different activity intensities: the higher the intensity, the faster you’ll reach your activity goal. Find more examples for low, medium and high intensity activities from Polar Flow web service and mobile app.

Inactivity Alert: Sitting for long periods of time is not good for your health – even on those days when you train and gain enough daily activity. Sitting affects to your blood circulation, metabolism, energy expenditure and bodys readiness for training. Your device reminds you to get up after 55 minutes of sitting and helps you to add the active breaks to your daily routines. After one hour of sitting you will get an inactivity stamp which is visible in Flow app and web service. Recognize the patterns of your daily inactivity and find ways to make changes toward healthier living.

3. Training features
Personal Best: Tracks your personal bests and notifies you when you have broken your record.

Audio alerts: During training, you are notified with a sound, for example when you need to slow down or to speed up to make sure your training goes as planned.

Interval Timer: You can set two timers for any interval workout, based on distance or time.

Interval trainer guided workouts – heart rate / distance: Create interval workouts based on time, heart rate or distance and get guidance during training.

Manual and automatic laps

Sport Profiles (adjustable): Lets you list all your favorite sports and define specific settings for each one of them. For example, you can create tailored views for each sport you do and choose what data you want to see when you train: just your heart rate or just speed and distance – whatever suits you and your training needs and requirements best. It will also automatically detect the sensors you have added. You can set up to 15 sport profiles with Polar RCX5, up to 20 sport profiles with Polar V800 and M400 and up to 4 sport profiles with V650.

ZonePointer

User configurable displays: This feature allows you to configure training computer displays to show the information that you need during your training session. You can do it either in your training computer, ProTrainer 5 software or at the Polar Flow web service.

ZoneLock: ZoneLock feature helps you to accumulate certain intensity. You can either lock a zone before a training session or during it by pressing a button when you are on the desired zone.

4. Polar Flow web service features
Steps: Counts steps taken during the day, which allows for very simple targeting of daily activity. A basic recommendation is to aim for 10,000 steps or more a day.

Advanced training analyzing: You can easily analyse every detail of your training and get a deeper insight into your activities with plenty of possibilities to learn from what you do.

Map view: When you use GPS, you get a map view of your training route. On the map you can examine your training data in further detail.

Relive: A video feature with which you can see the highlights of your training and routes.

Sleep duration and quality: Starts tracking your sleep time automatically when you lie down and your body movements slow. The Polar Flow mobile app and web service tell you how much you slept in total and how restful your sleep was. By showing you the amount of restful versus restless sleep, it gives you a detailed look into how you sleep at night so you can see if its affected by any changes in your daily life.

Training targets

Activity zones: Activity zones track your daily activities at five intensity levels: resting, sitting, low, medium and high. You can check how active youve been at the Polar Flow web service and mobile app. You can also compare the intensity of the different activity zones (low, medium, high) so that the higher the intensity, the faster your activity goal is reached. You can find more examples for low, medium and high intensity activities at the Polar Flow web service.

Advanced activity analysis: Activity reports store all your daily activity so that you can easily analyse your daily and long-term physical activity. The total active time tells you the cumulative time of body movements that are good for your body and health. Besides the many details you get about your physical activity and all the health benefits that come with it, you can also see the inactive periods and when youve been still for too long.

Training diary: Diary is available at Polar Flow web service. When you transfer your training and activity details from your activity tracker to Polar Flow, you can easily follow your activity and progress. You can choose to see your activity history in a monthly or weekly view, along with a monthly or weekly summary.

5. Polar Flow mobile app features
Steps: Counts steps taken during the day, which allows for very simple targeting of daily activity. A basic recommendation is to aim for 10,000 steps or more a day.

Sleep duration and quality: Starts tracking your sleep time automatically when you lie down and your body movements slow. The Polar Flow mobile app and web service tell you how much you slept in total and how restful your sleep was. By showing you the amount of restful versus restless sleep, it gives you a detailed look into how you sleep at night so you can see if its affected by any changes in your daily life.

Instant training analysis

Inactivity Alert: Reminds you when you have been sitting for too long. With V800, the Flow app shows when youve been still for too long.

Compatible with iPhone 4S and later, and with selected Android devices including Samsung Galaxy S4 and S5 using Android 4.3 or later

Easy data sync to the Polar Flow web service via Bluetooth® Smart

6. Integrated GPS features
A-GPS

Back to start: Directs you to your starting point in the shortest distance possible, as well as shows the distance to your starting point. Now you can check out more adventurous routes and explore them safely, knowing that youre only a touch of a button away from seeing the direction to where you started.

Finish time estimator: When heading out for a run or a ride, you get an estimate of your end time based on your pace or speed.

Autostart/stop: When you turn on this feature, your training computer starts and stops training recording automatically when you start or stop moving.

Distance – training, lap, trip and total

Speed/Pace – current, average and maximum

Running Index: Running Index is based on heart rate and speed data measured during the run. It gives daily information about your performance level, both aerobic fitness and running economy. Improvement in running efficiency indicates improved economy of running performance. In V800, this feature can also recognise if youre running uphill or downhill.

GPS based altitude

7. Stride sensor Bluetooth® Smart features
Cadence – current, average and maximum

Distance – training, lap, trip and total

Running Index: Running Index is based on heart rate and speed data measured during the run. It gives daily information about your performance level, both aerobic fitness and running economy. Improvement in running efficiency indicates improved economy of running performance. In V800, this feature can also recognise if youre running uphill or downhill.

Average stride length

Speed/Pace – current, average and maximum

Speed/Pace-based target zones with visual and audible alarm

8. Recording features
Training diary: Stores up to 30 h of training time (may vary depending on your language settings). You can see your training history from the past four weeks and what you have planned for four weeks ahead.

Memory capacity 30 h training with GPS and HR

Training files (with summaries) – 14

9. Data transfer
Compatible with PC Windows XP, Windows 7, Windows 8, and later

Compatible with Polar Flow web service via standard micro-USB cable (requires FlowSync software)

Compatible with Polar Flow mobile app via Bluetooth Smart

Compatible with Mac OS X 10.6, OS X 10.7, OS X 10.8, and later

Data export: Exporting data so that you can send your training files to third party apps and services.

10. Watch features
Backlight

Battery life: Up to 8 h training time (when both GPS and HR in use), 24 days in time mode with daily activity monitoring

Rechargeable battery with standard micro-USB cable

Smart Notifications

Firmware update: You can always update the software to the latest version with a USB cable.

Date and weekday indicator

Button lock

Time of day (12/24h) with alarm and snooze

Water resistant – 30m

In the box

Polar M400 with heart rate
M400 training computer
Polar H7 heart rate sensor
USB cable
Polar M400 Getting Started Guide

Polar M400 without heart rate
M400 training computer
USB cable
Polar M400 Getting Started Guide

Discover the full range of fitness products from Polar that we have in stock and at the best price. At traininn, your online fitness store allows you to buy online our top product Polar M400 HRM Watch from your house with all the guarantees of sending within 24/48h.

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Specifications

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Manual

Size chart