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Polar H7 Bluetooth Heart Rate Sensor & Fitness Tracker

4.3 4.3 out of 5 stars 11,693 ratings

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Black

Brand POLAR
Color Black
Compatible Devices Smartphones
Screen Size 3
Item Weight 45 Grams
Battery Life 200 Hours
Sensor Type Wearable

About this item

  • HEART RATE MONITOR: Provides live, accurate heart rate to compatible mobile training apps through Bluetooth Smart technology
  • FITNESS TRACKER: Waterproof heart rate sensor compatible with all Apple iPhone, iPads, and Android Devices
  • STRONG BATTERY LIFE: For optimal battery life, detach transmitter from chest strap after every use
  • ADVANCED TECHNOLOGY: Gym Link connects Polar heart rate monitors and activity trackers with compatible gym equipment
  • CALORIE COUNTER CAPABILITIES: For those who want to count the calories they burn and get basic heart rate-based features to keep their fitness training simple

From the manufacturer

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Polar H7 heart rate sensor

Heart rate is the most accurate indicator of your fitness. Hook up your fitness app or training device with Polar H7 and get real-time, accurate heart rate while you workout. You can use the H7 with a number of Polar products and compatible gym equipment.

H7 works with iPhone 4S and later, and with select Android devices using Android 4.3.

Add heart rate to your training

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Your favorite fitness app

Polar H7 is compatible with dozens of popular fitness apps, including Polar Beat, that support Bluetooth Smart technology. Just make your pick and add heart rate to your training.

H7 works with iPhone 4S and later, and with selected Android devices using Android 4.3.

Your trusted training device

Polar H7 works with the newest Polar fitness monitors and GPS watches, including Polar Loop, Polar M400, Polar M450, Polar V650 and Polar V800. Get the benefits of heart rate analysis by pairing your device with H7.

Heart rate while swimming

Polar H7 offers heart rate even while swimming when paired with Polar V800 or Polar A300. So whether you are a triathlete or recreational swimmer, you get heart rate analysis during and after your training.

Set up tips

Keep these tips handy during your initial set up.

1. Check that your device supports Bluetooth 4.0 (Bluetooth Smart) and its standardized heart rate service. The Polar H7 is not compatible with earlier Bluetooth versions.

2. Check that you have paired the heart rate sensor with the application. If pairing does not work, ensure Bluetooth on the receiving device is enabled. When pairing, make sure you are far (33-feet) from other Bluetooth Smart heart rate sensor users.

3. Check that you are wearing the heart rate sensor correctly. Be sure to moisten the electrode areas of the strap with water, attach the connector to the strap and wrap the strap around your chest.

4. Check that the receiving device is in front of you to ensure sufficient transmission range.

Polar H7 Heart Rate Sensor Polar Loop 2 Activity Tracker Polar A300 Fitness and Activity Tracker Polar A360 Fitness Tracker Polar M400 GPS Sports Watch and Activity Tracker Polar V800 GPS Sports Watch w/ Activity Tracker
Customer Reviews
4.3 out of 5 stars
11,693
4.2 out of 5 stars
1,092
Heart rate With compatible fitness app or Polar watch With H7 sensor With H7 sensor, also in water Wrist based With H7 sensor With H7 sensor, also in water
Smart calories With compatible fitness app or Polar watch
24/7 activity
Flow web service and app
Color touchscreen display
Smartphone notifications
Sport Profiles
Integrated GPS
Customizable Training Views
Multi sport functionality: cycling/swimming metrics

Product Description

Make the most out of every training session with the Polar H7 Bluetooth Smart Heart Rate Sensor. It provides real-time heart rate to compatible mobile training apps, including Polar Beat and Polar Flow, via low energy Bluetooth Smart technology. Also connects with the majority of Polar heart rate monitors on the market and compatible gym equipment. Includes a soft fabric chest strap that seamlessly adapts to your body shape. User replaceable battery. Includes limited two-year manufacturer's warranty.

FREQUENTLY ASKED QUESTIONS:

How should I wear the H7 sensor?
Moisten the electrode areas of the strap with water, attach the connector to the strap and wrap the strap around your chest. The heart rate sensor should be worn flat against the skin with the Polar logo in the upright position.

How should I clean the H7 sensor?
Detach the connector from the strap after every use and rinse the strap under running water. Hang the strap to dry. When needed, hand wash the strap gently with a mild soap and water solution. Avoid moisturizing soaps. Do not soak, iron, dry clean or bleach the strap. Also, don’t stretch the strap or bend the electrode areas sharply.

How should I store my H7 sensor?
Store the heart rate sensor strap and the connector separately to maximize the battery lifetime. Keep the heart rate sensor in a cool, dry place. To prevent snap oxidation, do not store the heart rate sensor wet in non-breathable material. Also, don’t expose the heart rate sensor to direct sunlight for extended periods.

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Customer reviews

4.3 out of 5 stars
4.3 out of 5
11,693 global ratings

Customers say

Customers like the performance, ease of use, and comfort of the biometric monitor. For example, they mention that it works well, provides accurate heart rate readings, and is easy to pair with a phone. That said, opinions are mixed on connectivity, battery life, and durability.

AI-generated from the text of customer reviews

2,508 customers mention2,054 positive454 negative

Customers like the performance of the biometric monitor. They say it works well, the app works beautifully, and it works perfectly with most smart phone based activity tracking and heart rate monitoring apps. Some customers also mention that the H7 unit works with Bluetooth smart technology and is compatible. Overall, most are satisfied with the performance and functionality of the product.

"...It does give you a nice HR chart and that lovely accurate calorie count that Polar is so good at...." Read more

"...the trouble I had setting it up and getting a bad unit, it has worked very well and very consistently...." Read more

"...The Polar app is great for HR monitoring even without paying for the special "training" upgrades...." Read more

"...had Sole units, both received the signal well and worked nicely if not completely accurately (I noticed this later as I explored it's other uses)...." Read more

571 customers mention425 positive146 negative

Customers like the heart rate monitor. They mention that it pairs and reads their heart rate accurately. They appreciate the rock-solid Bluetooth, and consistent heart rate readings. The monitor provides complete reporting regarding peak heart rate, average heart rate and calories burned. Customers also appreciate the biggest heart rate display and the ability to broadcast their heart over low-energy Bluetooth.

"...So far, with a very light workout, once set up, the sensor seems to work just fine...." Read more

"...It shows your current heart rate, the zone you're in, your average HR and max HR and you can display these a couple different ways depending on what..." Read more

"...It also captures your average heart rate over the session and your max heart rate...." Read more

"...'s monitor seems to be more prone to losing signal or showing a clearly incorrect heart rate (very high or very low) than mine is..." Read more

552 customers mention453 positive99 negative

Customers find the biometric monitor easy to use. They mention it pairs with their phone and use, the app is simple and intuitive, and the Bluetooth setup was seamless. They say the battery is easy to change and integrates easily with tracking software.

"...Changing the Battery: Pretty straightforward DIY...." Read more

"...All in all this is an awesome piece of tech that is easy to setup and does exactly what it promises...." Read more

"...The free Polar Beat app worked well and I like that it maps your route using the phone's GPS...." Read more

"Easy to pair with phone and use, but my phone's GPS isn't exact enough so my route looks all wobbly on the review screen and the measured distance..." Read more

370 customers mention325 positive45 negative

Customers like the comfort of the biometric monitor. They say the strap is comfortable and not noticeable once it's loosened. They also appreciate the softer feel and the fact that it can be made to fit comfortably.

"...softstrap included with the H7 sensor is adjustable and can be made to fit comfortably...." Read more

"...I found the strap itself more comfortable than the strap that came with my Polar F11 and it is easier to put on and take off and I think a bit less..." Read more

"...It is really easy to put on and take off and comfortable enough that occasionally I forget that it is even there after my workout and I forget to..." Read more

"...A little annoying but go figure. Ease of use: Perfect in technology and in comfort.MY RANT ON CARDIO TRAINER..." Read more

363 customers mention293 positive70 negative

Customers like the accuracy of the biometric monitor. They say it records flawlessly, uses a very accurate algorithm to calculate calories burned, and provides accurate numbers. Some say that they have not had any accuracy or sync issues. Overall, most are satisfied with the product's accuracy and functionality.

"...or the Polar Beat app (more on that below), Polar uses a very accurate algorithm to calculate calories burned based on heart rate..." Read more

"...it up and getting a bad unit, it has worked very well and very consistently. I also deducted 1 star due to the lack of a pairing indicator...." Read more

"...Data is very accurate. This is actually true for all belt devices-..." Read more

"...map feature measures the distance and time and I found it to be very accurate...." Read more

1,121 customers mention581 positive540 negative

Customers are mixed about the connectivity of the biometric monitor. Some mention that it syncs easily with all apps downloaded, and the Bluetooth connection is great. However, others say that it loses connection and won't pair at all.

"...Watch Pairing: It pairs easily with the FT7 watch; we'd both been using those with the included non-bluetooth sensors, but the watches picked up the..." Read more

"...because the error message in Polar FlowSync said that it COULDN'T sync with the V800 - nothing about the servers being down - I thought I had an..." Read more

"...- It actually syncs to both fitness and iPhone at the same time. These are probably different antennas so you can see how well the data matches up...." Read more

"...description on how to put the strap/sensor on, but not really anything about pairing to Bluetooth...." Read more

355 customers mention147 positive208 negative

Customers are mixed about the battery life of the biometric monitor. Some mention that it has great battery life, while others say that it started to die out. The user replaceable battery is nice, but some customers say that the battery drains on the phone.

"...Battery on the phone seems to die faster. Using an app to monitor your heart rate constantly wouldn't be recommended...." Read more

"...that the sensor detaches when you're not using it, so the battery doesn't drain as fast...." Read more

"...All in all a great option for HRM - I ding it for not having a rechargeable battery and the strap I don't like, but beyond that a good device." Read more

"...that you can do a better job washing the belt and I think the battery will last longer. The con is you could lose the control piece..." Read more

335 customers mention160 positive175 negative

Customers are mixed about the durability of the biometric monitor. Some mention it's reliable and sturdy, while others say that they are questioning the hardware's reliability and that the tape section seems like it could fail over time. The belt is comfortable but seems flimsy and is starting to fray a bit. There are just too many weaknesses in product engineering to rate above 3 stars.

"...(I just take it into the shower with me after I run) and it's starting to fray a bit, but will likely last quite a while longer before I may need to..." Read more

"...The Polar sensors have been great for this - they're very reliable...." Read more

"...It began giving erratic readings, but after I washed it, it the readings stopped being erratic." Read more

"...The leads appear to be embedded well and well constructed as expected for Polar- Lightweight. I like this format, because its lighter-..." Read more

It’s Great, When it Works… Otherwise, Time to Reset Once It’s Erratic
3 Stars
It’s Great, When it Works… Otherwise, Time to Reset Once It’s Erratic
I’ve used the Polar H7 sensor for about 15 months in conjunction with the Polar Beat app on my iPhone 6. More recently, I added a Polar A300 wrist monitor to my configuration several months ago. It was the addition of the A300 that exacerbated an H7 quirk that has plagued me since the very beginning.Simply stated, the H7 works great for about 15-20 hours, then the readings become erratic. I soon discovered that replacing the battery would resolve the issue, even though the battery voltage was often greater than 3.2 Vdc (NOTE: the 3V CR2025 voltage typically measures 3.25 to 3.3 Vdc when brand new). Solution: buys lots and lots of CR2025 batteries in bulk. Since I exercise 12-15 hours per week, the heart rate readings would usually start fluctuating wildly after only after a week’s use and I was going through batteries quite rapidly.Fast forward one year and I decided to see whether the A300 wrist monitor perhaps fared better than the iPhone since it was unclear whether it was a sensor issue or a poor Bluetooth connection that was at fault. At first, it was great and both the iPhone and the A300 were capturing a steady heart rate… but then the A300 would become highly intermittent throughout the course of a two-hour workout. Although the Polar Beat data was clean, the A300 was virtually worthless.Eventually, I contacted Polar’s customer support and was told to try several things:a) Verify the side battery contact isn’t bent (it was fine),b) Clean the chest strap (I do this regularly anyway), andc) Remove the battery from the sensor for 30 minutes to reset the H7.Lo and behold, removing the battery for approximately 30-60 minutes does indeed reset the H7 and afterwards the sensor provides rock-steady heart rate readings and a rock-solid Bluetooth connection to both the iPhone and A300 monitor… for about 10-12 hours of use. Sigh… I can now drain a battery down to 2.7 Vdc until I need to replace it, however I am constantly opening up the H7 battery compartment to force a reset.What I would like to know from Polar is a) whether or not my particular unit is defective, or if the H7 instability is a design flaw, and b) at what battery voltage should I expect the H7 to function properly (given that the battery specification is 2.50 to 3.00 Vdc).
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Top reviews from the United States

Reviewed in the United States on November 21, 2015
Color: BlackSize: Medium/XX-LargeVerified Purchase
8 people found this helpful
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Reviewed in the United States on January 19, 2015
8 people found this helpful
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Top reviews from other countries

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Emilio Lobato
5.0 out of 5 stars Recomendado
Reviewed in Mexico on June 20, 2017
One person found this helpful
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Cesario
5.0 out of 5 stars articulo de lo mejor
Reviewed in Mexico on January 16, 2017
Cliente de Amazon
5.0 out of 5 stars Muy buen producto, me llegó muy rápido
Reviewed in Mexico on October 26, 2016
Cliente de Amazon
5.0 out of 5 stars Todo bien. Hace lo que promete.
Reviewed in Mexico on May 3, 2016
Color: BlackSize: Medium/XX-LargeVerified Purchase
4 people found this helpful
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Family of 4
5.0 out of 5 stars Funciona muy bien con el iPhone 6s Plus, iPad, con todos mis dispositivos. Ojo, compra pilas adicionales con él!
Reviewed in Spain on August 12, 2016
Color: BlackSize: Medium/XX-LargeVerified Purchase
Customer image
Family of 4
5.0 out of 5 stars Funciona muy bien con el iPhone 6s Plus, iPad, con todos mis dispositivos. Ojo, compra pilas adicionales con él!
Reviewed in Spain on August 12, 2016
¡Estupendo! Pero compra pilas adicionales con él! Pila: CR2025.

Hago estudios que usan la variabilidad del ritmo cardíaco (HRV), así que quería realizar un seguimiento de la mía en casa - y esto es una gran manera barata y fiable para hacerlo - además lo puedo usar mientras se ejecuta. De hecho, hay numerosos estudios académicos que verifican lecturas precisas de la HRV con la Polar H7. A falta de un ECG, esta es una opción bastante buena y barata para la medición de la HRV.

LO BUENO:
Es barato, es fiable, viene con todo lo que necesita para empezar, si usted tiene un movil inteligente ya. Se puede utilizar con la mayoría de dispositivos, por lo que no es necesario comprar un reloj específico. Es muy sencillo de utilizar, en mi iPhone 6s Plus y el iPad he activado Bluetooth, y allí estaba. Se tomó unos segundos para conectarse como se puede ver en mi video.
Hay un montón de aplicaciones gratuitas que se pueden usar con él. Para mirar mi HRV utilizo...
Para la aptitud y la formación, se puede conectar fácilmente a las aplicaciones gratuitas, como RunKeeper, MapMyRun, y Endomondo, además hay un montón más.

LO MALO:
No es cómodo para largos períodos de tiempo.
La pila necesita ser reemplazada después de un corto período de tiempo. Hubiese preferido tener una opción recargable.
No puedo quejarme demasiado. Hace exactamente lo que dicen que debe hacer, y es un buen precio en comparación con otros productos.
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7 people found this helpful
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