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New Polar H9 Heart Rate Sensor Out Now!
Polar H9 is the ideal jack-of-all-trades sensor for all your everyday sports. Get reliable calories and heart rate thanks to chest strap measurement. Battery life is 400 hours.
Polar H9 heart rate monitor works not only with Polar Beat app and many 3rd party apps, but also with a large variety of sports watches, cycling devices and gym equipment. This is due to Bluetooth, ANT+ and 5 kHz technologies, which can also be active simultaneously.
Get Reliable Heart Rate Tracking for All Your Everyday Sports Now.
Choose you size:
XS-S: 20 inches - 26 inches
M-XXL:
26 inches - 36 inches
Please note, there is a protective film over the HR sensor, please remove prior to use.
Aarão Balthazar de Souza
Reviewed in Brazil on March 5, 2025
Produto atendeu minhas expectativas. Chegou antes mesmo do prazo determinado. Recomendo.
DaveC
Reviewed in the United States on January 31, 2025
Now I see in reviews it's not reliable. Its not. Worked okay through 1st battery change and then started earing batteries and then just stopped working at all! 6 months fromnunboxing to garbage. I'm a serious cyclist ex amateur racer, still average 10 hours or so a week. I'm also an electrical engineer .. something seems to be wrong with these? Incredible sensitivity to static electricity? Anyway, skip the H9!
Too many shoes
Reviewed in the United States on January 2, 2025
I’m not sure why people having such problems with this strap. I’ve had mine for over three years and just starting to have issue with it syncing to app. App easy to use and feel it’s very accurate when used side by side with machines tracking. Do half hour cardio and half hour on weights and can leave it 10 ft away from when working out and still connects. For 50-60 bucks well worth the money. Just ordered new strap to see if that helps with syncing issue if not will gladly by new one.
Burak
Reviewed in Turkey on November 9, 2024
Nabız ve kalori takibi yapan sporcular için kesinlikle alınması gereken bi ürün. Iphone da polar uygulamask ile herşeyi takip edebiliyorsunuz.
bennni11
Reviewed in the United States on November 6, 2024
I've only owned this for about 2 months now, with about 3 - 4 hours of intense sweat contact per week. But my impressions so far it's better than Garmin HRM Dual that lasted around 1.5 year with similar use pattern. The Garmin had noticeable corrosion on metal contacts, the metal buttons on strap was separating, would drop connections frequently towards end of life, and the ultimate failure points around screws on plastic unit seemed to be a silly design flaw. Unless the Garmin was a case of planned obsolescence, in which case kudos to that Garmin engineering team, it was an inferior product compared to the Polar. The Garmin failed because the thin plastic pieces beneath the tiny screw heads cracked and crumbled away so back cover could not hold battery in place. Seal was broken and the internals corroded to failure. All those weak points on the Garmin seem to be addressed on the Polar. In addition, the Polar actually pairs better with my Garmin products more quickly, consistently, and easily without having to wet the strap when I first put it on. Polar strap is a little narrower but for me its more comfortable because of softer elastic fabric. Minor downsides, the Polar strap loop and hook is not as robust and easy to use and narrower strap sometimes gets a little bunched up.
HristovV
Reviewed in the United States on October 9, 2024
I have been using this strap for over a year to monitor my heart rate on runs and bike rides, and it has worked flawlesly throughout. I've only changed the battery on it once during this time when I noticed that it would not connect to my bike computer. I personally have never had the band slip or shift off my chest.Once you pair it to your watch or bike computer, it's remarkably simple to use - just put it on and it automatically turns on and starts transmitting to whatever device you have. When you take it off, it automatically powers down. There is no on/off indicator light, but I found that it's not needed, and would likely just waste battery.
Rohit Malhotra
Reviewed in Singapore on October 23, 2024
Does it’s job. Simple setup and straightforward to use . Have been using for more than a month and has worked flawlessly. Mainly used while cycling and a few times for brisk walks. Heart rate readings are consistent without drop outs
Steve H
Reviewed in Australia on October 14, 2024
Easy on/off. Comfortable & compatible with most devices.
Ernesto Salcedo
Reviewed in Mexico on October 11, 2024
He probado varias marcas y la mejor ha sido Polar. Recomendable.
SomeGuy
Reviewed in the United States on July 4, 2023
I almost returned this until I looked up how to get it working on the web. You have to pair it WITH THE APP, NOT your phone! If you pair it with your phone the app will not see it, at least as far as I can tell.The third time I used it I had to restart my phone for it to pair for some reason. Since then it has paired automatically whenever I open the app and have the thing on my chest. No restart needed.There may be better apps to use. I use the Polar Beat app which does what I want just fine. There is also an app called Polar Flow but I think it sucks. Not needed. But if you open the Polar Flow website (not the phone app) you will see that Polar Beat syncs all your data there and keeps track of all your activities on a calendar.I get the strap slightly damp as well as the spot on my chest where it goes, then put it on. I make sure it's paired in the app, then when I get to the gym or my hike I hit Start on the app. When I'm done I remove the monitor from the strap which turns it off.All I needed was a way to track my heart rate while I'm working out and it does that just fine. The cheap watches here on Amazon do not track your heart rate accurately, especially at higher rates. This thing is great.
Glynn
Reviewed in the United States on May 12, 2023
I have used this for a few weeks now and it seems to be working as advertised. It automatically connects to my treadmill and elliptical and tracks my heart rate accurately compared to taking my pulse. It does occasionally lose connectivity to the treadmill and it is not clear why. Grabbing the sensors built into the treadmill will override the connection and connectivity reestablishes after releasing the treadmill built-ins. I disconnect it from the belt when not using, which supposedly helps extend battery life but it would be nice if it had a proper on/off switch. It would also be nice if it used a CR2032 battery instead of a CR2025. The former is more readily available around me and not that much larger. I might try it with a CR2032 to see if it will fit.I keep a small spray bottle filled with tap water on hand to help with connectivity. After I get the sensor situated on my chest, I turn it down and mist the electrode area and adjoining skin. This improves the initial heart rate detection.
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