Polar M400
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The vocation of the Polar M400 multi-functional sports watch lies not only in measuring physical activity, but also in motivating the user to achieve their goals. The impetus for an increase in the level of activity is a sound signal given by the gadget after a certain period of inactivity (every 1.5-2 hours). But the model, which is customary for this class of devices, was deprived of a vibration motor.
Instead, inside the case there was a place for a GPS module, with the help of which the application draws a route for jogging and measures the speed of movement. With continuous tracking of geolocation, the watch's battery life level is estimated at 8 hours; in normal mode, they will last longer without recharging — about 1 week. Polar M400 also provides heart rate measurement using a separate chest strap. Its presence in the device configuration is indicated by the prefix HR at the end of the model name.
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The multifunctional device from the Finnish brand Polar is made in a rectangular form factor. It is included in the niche of sports and tactical watches, which, in addition to measuring the number of contractions of the heart muscle, perform a number of important functions.
GPS module
Among its kind, the Polar M400 is one of the most affordable models with a built-in GPS tracker. When jogging outdoors, this sensor helps you track your speed, distance, and average workout pace. In advanced mode, you can set intervals and goals, and when running on a treadmill, you can view the number of steps for a certain period of time. At the end of active sports, the watch knocks out the results of the workout, and when a personal record is reached, they even present a virtual cup.
motivator
The data on the high-contrast watch screen is perfectly visible in any light. Information is scattered across individual desktops — from the traditional display of time and date to the percentage of the daily activity norm. It is worth noting that the watch motivates its owner to move more by giving a sound alert when there is insufficient activity every one and a half to two hours. But for the vibration motor in the design of the gadget, unfortunately, there was no place.
Pairing
The device connects to mobile gadgets via a Bluetooth connection. In the paired state, notifications from calls and applications are duplicated on the watch display. All measured activity indicators are transmitted to the smartphone itself. That's just the application for their interpretation looks somewhat "raw", which many users blame. Reading the results is also possible via a PC, to which the Polar M400 is connected via the microUSB port.
For every taste
With active GPS, the charge of the built-in battery is enough for about 8 hours of continuous work (3 full-fledged marathon races for professionals). In normal use, the battery will need to be charged once a week. A watch paired with a heart rate sensor is not felt by the body at all, plus the wrist part of the device can be chosen for every taste and colour — the device body can be made in black, white, pink or blue.
- Sleep Quality Tracking
