The heart rate monitor M400 HR of the Polar has a sporty design and elegant, which encloses the integrated GPS and the most advanced capabilities for training, dedicated for urban and trail runners who love the design sofiticato and want the more advanced features to the training, in addition to hold under control the daily activity.

The Polar M400 HR show in real time when you are improving the physical form on the basis of heart rate and calculated in an absolutely accurate the calories burned during the workout.

Lightweight and compact in design, suitable for both men and women, its sporty and stylish look adds style to any outfit. Like other activity trackers the Polar M400 HR is waterproof (up to 30 m) and is able to track steps, calories and sleep quality.

Through Bluetooth Smart you can connect to the Polar Flow App, which allows you to view the parameters of the training in detail, and download firmware updates.
Possibility of direct connection with your smartphone so you can upload the data once you have finished the session without having to have direct access to a personal computer.

The heart rate monitor has an autonomy of 24 days used as a watch, activity tracker , or 9 hours in GPS mode. The new Start function directs us to the starting point in the shortest distance possible, allowing us to try new paths without fear of getting lost.
Through this extraordinary tool you can check your personal records and alerts you when you have reached the records.

Caridofrequenzimetro Polar M400 HR, a guarantee of quality for lovers of physical activity!

Functions cardio
- The limits of heart rate zones defined by the user
- HRmax (user set)
- HRmax (based on heart rate)
- Polar Fitness Test
- Polar OwnCal - Calorie
- Target Zones with audible alarm based on heart rate
- Heart rate-based automatic target zone - bpm / %
- Heart rate average, minimum, and maximum of the training
- Heart rate - bpm / %
- Heart rate zones
- Training Benefits

Functions Active Motion
- Activity tracking 24/7
- Activity Guide
- Steps
- Active time
- The reporting periods of inactivity

Functions for the business
- Sound alerts
- Alternating timers
- Records personal – records your best times and reports the achievement of personal records
- Workouts are guided interval – heart rate / distance
- Lap manual and automatic
- Sport profiles customizable
- Zone pointer
- Display user-configurable
- Zone Lock

Functions of the web service Polar Flow
- Steps
- Advanced analysis of your workout
- Map view
- Relive
- Duration and quality of sleep
- Training goals
- Areas of activity
- Advanced analysis of the activity
- Journal

The functions of the mobile app Polar Flow
- The compatibility of the mobile app: the iPhone 4S.iPhone 5.iPhone 5C.iPhone 5S.iPad (3rd and 4th generation).iPad mini.iPod touch (5th generation). The Android version will be available soon.
- Steps
- Duration and quality of sleep
- The compatibility of the mobile app
- Immediate analysis of the training
- The reporting periods of inactivity
- Synchronization of data to the web service Polar Flow via Bluetooth Smart

Features built-in GPS
- Back to start
- Estimation of the time of the end of the workout
- Autostart/autostop
- Distance – training, lap, trip and total
- Speed/pace – current, average and maximum
- Running index
- The altitude calculated on GPS data

Recording functions
- Memory capacity more than 30 hours of training with GPS and heart rate
- Training diary
- Training files (with summaries) - 14

Data transfer
- Compatible with PC Windows XP, Windows 7, Windows 8 and later
- Compatible with Polar web service Flow via micro-USB cable standard (requires software FlowSync)
- Compatible with mobile app Polar Flow via Bluetooth Smart
- Compatible with Mac OS X 10.6, OS X 10.7, OS X 10.8 and later
- Export data

Watch functions
- Backlight
- Battery life: Up to 8 hours of training (with GPS and heart rate in use), 24 days in Time mode with monitoring of daily activity
- Rechargeable battery with micro USB cable standard
- Firmware update
- Date indicator and day of the week
- Key lock
- Time of day (12/24h) with alarm and snooze
- Water resistant - 30m