- Product Dimensions: 9.8 x 0.8 x 1.5 inches ; 1 pounds
- Shipping Weight: 7.8 ounces
- Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
- International Shipping: This item is not eligible for international shipping. Learn More
- ASIN: B001U0OFCS
- California residents: Click here for Proposition 65 warning.
- Item model number: 90051040
- Batteries 1 Lithium Metal batteries required. (included)
- Average Customer Review: 7,146 customer reviews
- Amazon Best Sellers Rank: #45,763 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
Polar FT4 Heart Rate Monitor
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- Measures only heart rate and not foot steps
- Provides continuous, accurate heart rate to keep your fitness training simple
- Smart Calorie feature uses your personal data to provide accurate calories burned
- Includes heart rate chest strap made of soft fabric material that adapts to your body shape; Requires and includes chest strap for accurate heart rate
- User replaceable battery and water resistant (30m)
- Connects with compatible gym equipment using GymLink
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From the manufacturer
Fitness And Cross-Training Heart Rate Monitor
Polar FT4 is designed for fitness and cross-training enthusiasts who want basic heart rate-based features to keep their training simple. Polar FT4 shows when you’re improving fitness based on your heart rate, and it also lets you know exactly how many calories you’ve burned. Training smarter has never been this easy.
Train to your own beat with Polar FT4 heart rate monitor and make sure your every move is counted for.
- Heart rate in beats per minute or % of maximum
- Manual or age-based heart rate target zone with indicator during training
- Heart rate analysis after training (average and maximum heart rate)
- Smart Calories
- Heart rate also in water with included H1 heart rate sensor
- Totals for long-term follow-up
- 12 months battery life (30 minutes of training a day)
For those who want basic heart rate-based features to keep their fitness training simple.The FT4M shows when you're improving fitness based on your heart rate. Comes with comfortable fabric transmitter and coded heart rate transmission to avoid cross-talk.Target zone with visual and audible alarm.Average heart rate of total exercise.Exercise Date.Computer connection features:.UpLink, settings upload from Polar web site or software to wrist unit.Recording features:.Calorie expenditure (Exercise/Total/Fat% ).Number of exercise files (with summary files 99).Time in target zone.Target zone limits.Exercise Time (total total).Time in target zone.Average heart rate of total exercise.Transmitter belt:.Polar T31 transmitter.Polar FT4M Heart Rate Monitor Watch features:.Time of day (12/24h with alarm).Dual time zone.Date and weekday indicator.Stopwatch.What's in the Polar FT4M Box.Polar FT4 training computer.Polar WearLink®+ transmitter.FT4 Getting Started Guide.Warranty Description: 2 Year Limited Warranty.
Color: (Silver / Black)
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Legal DisclaimerWARNING: Consuming this product can expose you to chemicals including lead, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov/food.
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Cheap But Reliable Fitness Tracker
This is one of the least expensive heart rate monitors that Polar offers. It comes in several colors. Silver/Black is $60. The green version, my personal favorite, is only $49. For what it can do, that is an outstanding price. That is why I purchased it. Well, that and because I don’t care about being fashionable. For example, I would never spend $285 on the trendy, new Apple Smart Watch. Even the Fitbit Blaze would set me back $149. For a fraction of the price, the Polar FT4 accomplishes everything I need in a fitness tracker. Let’s talk about the watch itself, which Polar refers to as the “FT4 Training Computer.” First of all, it gives me an accurate reading of my heart rate and calories burned. Second of all, it tells me when I am in the "fat burning zone." It will beep to tell me when I am slacking off. It beeps when I am working out too hard. Finally, it keeps track of the workout details of my last 10 workouts. I can check out the duration of a particular workout, the amount of calories I burned and how long I stayed in the fat burning zone. Now let’s get into the chest strap, which Polar refers to as the “WearLink Transmitter.” At first, it kind of felt like I was wearing a brassiere. Also, it was tricky getting the clasp on because I have short arms. Then I realized it was easier to put it on backwards (so I can work on the clasp while it’s on my chest) and then simply pull it around to the correct side. Once I got used to it, it was easy and didn’t get in the way of my workout. I have been using the Polar FT4 for two years. I use the FT4 about four times a week and I only just changed the batteries. It was not hard. Polar recommends that you send the FT4 Training Computer and WearLink Transmitter to an authorized Polar Service Center to have new batteries installed, but for me, that’s too much work. Besides, changing the batteries is a breeze. The watch requires a CR 1632 battery. The chest strap requires a CR 2025 battery. You can buy these batteries from your local Walgreens or 7-Eleven.
A Single Downside
Okay, there is one thing the Polar FT4 cannot do, which is count your steps. That is an easy fix though. Just pick yourself up an inexpensive but reliable pedometer with a a 3D tri-axis sensor. The one I picked up is the Ozeri 4x3motion Pocket Pedometer. It costs $15.95 and it is the most accurate pedometer I have ever used. It also records up to a week of workouts.
The Bottom Line
If you are like me, a cheapskate on a budget, this is the fitness tracker for you. The Polar FT4 is $49. I paired it with a cheap pedometer, which cost $15.95. So my total investment was only $64.95. For me, that is a reasonable amount of money and it feels good knowing every penny of that is an investment toward my health. I use the Polar FT4 while I am on the treadmill. I even wear it while I am doing step aerobics. I even wear it when I’m lifting weights. Being able to measure my heart rate while exercising is a real game changer for me. Now I’m more focused on my workout and I have a better understanding of what I need to do to burn off more calories. I have already convinced my family and friends to get an FT4. Note: I am the only cheapskate in the family. But let me make one thing clear: I may be a proud cheapskate, but trust me, this is no cheap product.
Watch = CR1632 Battery
Band = 2025
Upon the first use, when wearing the band, you cannot tell you're wearing it. I even tried to make my shirt as tight as can be and still can't see it. You will typically forget it's there, but sometimes it makes me feel like I'm wearing a really tight bra. I got on an elliptical, which always tells me I'm burning only 100 calories for 30 minutes, despite the heavy sweat and rapid heartbeat (160s) it gets me to. With the watch, I'm burning a little over 300. It reads my heart rate well, and you can choose to have it on the screen of your heart rate, calories, the zone, or long you've worked out. I always put it on the heart rate just so I can make sure I'm safe and not overdoing it.
In the gym (which you can see in the picture), I got on one of Planet Fitness' major high-cardio machines. For an hour I'm always burning overly 700 calories, or so the machine says. When I got on it with the watch, I burned about 580 calories. So, I'm not sure which to believe, though the watch is a little believable. What I DID notice and was impressed with is the GymLink. I didn't have to hold on to the handles to read my HR at all. The numbers were off typically by one or two points, but they were always closely accurate. The same happened when i got on the treadmill.
The only times it could not pick up my HR was when I was doing floor workout. I think depending on how you bend, the band against your chest can loosen/detach from the skin. It will alert you to warn of no signal. I usually sit still to help it pick back up and the data is still the same (no automatic reset).
I'll keep an update.
The watch is still going good. I don't notice anything different in battery change. I will say the strap part is kind of deteriorating, but that's expected.
**7-1-17 UPDATE **
I decided to wear my watch for a full 8-hour shift today at work. I get up a lot throughout the entire shift and was curious to to see what calories I burned. It was 1266. I had no problem or malfunction with the watch. It was able to work that long. In fact, I accidentally had it running for 32 hours and never noticed.
Everything is still going great.
Watch is still going strong. Don't really notice any malfunctions so far. Battery life still excellent.
I gave it a Google and realized I had NEVER cleaned the strap after using it. I'd been using it in my workouts for about 6 months (I workout 3-6 times per week -- hard, sweaty workouts) and realized I'd never washed it. I didn't even know the heart rate sensor could detach from the band. (Facepalm). So, I found cleaning instructions and I've been cleaning it ever since. It works like new! I have had zero problems out of it since I washed it! Here are my cleaning tips:
1) Detach the sensor from the band after EVERY use and rinse the band under cool running water. Dry it out with a towel and hang it up to try.
2) Every week or two, I detach the sensor from the band/strap and wash it in pillowcase to make sure it gets nice and clean. Never just let the strap wash freely in the washer. Always make sure it's in an enclosed sack.
Since I've kept it clean, I've had NO problems out of this product. I love it!