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Mio LINK (Grey) Heart Rate Wristband

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Mio LINK (Grey) Heart Rate Wristband
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Ditch the chest strap and get accurate heart rate on your wrist

  • Mio Continuous Technology with EKG-accurate heart rate data at performance speeds
  • No uncomfortable chest strap, so you can train with heart in comfort
  • Customize your workout with up to 5 user-settable heart rate zones
  • Connect to your favorite fitness apps & sport devices with Bluetooth Smart (4.0) and ANT+. Check device compatibility
  • Comes in two sizes (wrist sizes: S/M - 121-175mm / 4.8”-6.9”, L: 149-208mm / 5.9”-8.2”) View Sizing Chart
  • Water resistant up to 30m depths
$79.00 USD
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Word On The Street

People from around the globe are raving about their Mio LINK heart rate wristbands.

Here are a few customer reviews.

Jeremy Bunner


"Last week I got a new heart rate monitor, the Mio LINK. It wears like a watch and is amazing! If metrics during exercise is your thing, I highly recommend you check it out."

Silver Mikk


“It's super comfortable and I can wear it 24/7. Just hit one button and it's Go-Time!”

Denise Van Ryzin


"No more raw spots on my chest from the evil chest strap!"

Jeremy Goringer


"As an Ironman triathlete in training, I can’t imagine training with out my Mio LINK! Absolutely unbelievable!"

James Stemper


"Rechargeable. Easy to use. Easy to clean. Communicates with my devices. There are a lot of things to like about wearing a Mio LINK as opposed to a heart rate strap."

Helen Kinuthia


"My Mio LINK looks and feels amazing, it's so light you almost forget you are wearing it and I love the colour coded HR zones!"


Mio LINK Videos

Mio LINK Heart Rate Sport Band Features
Getting Started with Mio LINK

Continuous Technology Built For Performance

Mio Continuous Technology is at the core of each of our products. Our patented design is extremely accurate, with a 0.99 correlation to EKG in laboratory testing. LED lights and an electro-optical cell monitor the volume of blood under your skin and sophisticated algorithms are applied to the pulse signal so that the heart’s true rhythm can be detected—even at high-performance speeds.

Mio Continuous Technology
Mio Continuous Technology


Wireless Connectivity

Connect to your favorite mobile fitness apps such as Mio GO, Wahoo, Endomondo, Strava, and more via Bluetooth® Smart (4.0) and ANT+.
Check device compatibility





During extensive testing against the top heart rate chest strap brands, Mio LINK consistently performed with 99% EKG accuracy, even while running at speeds of up to 14.4 mph.



Stay in the zone
& on track

Heart rate training is proven to help you train more efficiently and effectively, so you can optimize your performance and maximize your workout. Mio LINK offers up to 5 customizable heart rate zones with LED lights that can tell you which zone you’re in at any given moment, so you can stay on track with your training goals.



Comfort. Form. Function.

Mio LINK delivers maximum performance in ultimate comfort. Its soft, durable silicone strap ensures a snug and comfortable fit – and with no need for a chest strap, you’ll be more comfortable than ever.



  • Mio LINK User Guide
  • Material
  • Soft silicone
  • Battery
  • Rechargeable li-poly battery with USB charger
  • Battery Life
  • Up to 8 hours of workout timer
  • Up to 1 month without continuous heart rate monitoring on
  • Water Resistant
  • 30m (3 ATM)
  • Dimensions
  • Link Slate (Grey)
  • L -- 265 x 440 x 300 mm (lxwxh)
  • S/M -- 235 x 290 x 109 mm (lxwxh)
  • Link Electric (Yellow)
  • L -- 265 x 440 x 300 mm (lxwxh)
  • S/M -- 235 x 290 x 109 mm (lxwxh)
  • Link Arctic (White)
  • 235 x 290 x 109 mm (lxwxh)
  • Weight
  • Link Slate (Grey)
  • L -- 33.7g
  • S/M -- 29.7g
  • Link Electric (Yellow)
  • L -- 33.7g
  • S/M -- 29.7g
  • Link Arctic (White)
  • 29.7g
  • Sensors
  • Optical heart rate
  • Sync method
  • Bluetooth Smart (4.0) and ANT+
  • Measures
  • EKG-accurate heart rate
  • Compatibility
  • Smartphones and Tablets
  • iPhone® 4s/5/5c/5s/6/6 plus
  • iPod® touch 5
  • iPad® 3/4/air/mini
  • Samsung Galaxy s® 4/5
  • Samsung Note® 3
  • Google Nexus 4/5
  • Android 4.3 (Jelly Bean) and higher with Bluetooth Smart (4.0)
  • GPS Watches
  • See the full list here 
  • Garmin Fenix
  • Garmin Forerunner (all models)
  • Garmin Vivofit

Mio LINK (Grey) Heart Rate Wristband is rated 4.1818 out of 5 by 220.
Rated 3 out of 5 by from Good but not great accuracy Use the product for cycling. I really like the wrist based heart rate monitor and the elimination of the chest strap. Unit communicates well with both my running watch and cycling computer via Ant. However, I find that the response time of the Mio is not very good compared with the chest strap. Doing hard intervals where my heart rate ramps quickly to above threshold, the Mio is not capable of responding to the quick increase. When I review the interval following, I find that the Mio stays at a low heart rate during the interval when I know my actual heart rate is high. For gradual ramps or steady state exercise, the Mio works very well.
Date published: 2014-12-31
Rated 4 out of 5 by from Accurate 99% of the time. Have used this for 4 months for road bicycle racing including stage racing.The fit is comfortable, the battery doesn't run out on a 6 hour ride. I do charge it each night though, as it was running flat on back to back long days.I sweat heavily, which seemed to play havoc with all other HR straps before (garmin, polar). The accurately is unaffected by sweat. I usually get a HR reading spike for unknown reasons. I check my HR at the carotid and the rate is below what the watch is indicating. Funnily when I slap the watch or rotate it on my wrist the reading returns to expected values.This is the best HR monitor I have used.
Date published: 2015-01-04
Rated 5 out of 5 by from So much better than the archaic chest strap! Took some getting used too, but after a month of using the Mio wrist HR monitor, I'm in love. I am thrilled to never have to wrap a still damp from the previous workout chest strap on, no chaffing, no bulk. I do have to pull it on pretty tightly to make sure the connection stays, but it's not uncomfortable and I quickly forget I'm wearing it. My first few rides, I tested it's accuracy by wearing both my chest strap and the Mio and compared the readings- they were always within 1-3 beats of one another so I feel confident I'm getting as accurate numbers as I was with the chest strap. I can't imagine going back!
Date published: 2014-12-31
Rated 4 out of 5 by from Useful and supremely convenient For endurance sports, the Mio helps me train in specific heart rate "zones" (ranges). This wristband is much more convenient than putting a cold, wet chest strap on before going outdoors in the winter! And it syncs to my Garmin Forerunner 110 just fine.As for accuracy, the Mio mostly compares well to my old chest strap and to manually measuring my pulse. I've seen the Mio's reading drop out for short intervals during a longer bout of training, and I've seen it overreport or underreport my pulse. Usually, the problem can be fixed by wearing the band higher up on my wrist.Certainly, it's not any more flaky than my old chest strap.
Date published: 2015-05-26
Rated 5 out of 5 by from Never going back! I've been using it since April 2014. Had to find the right position to get correct readings (same arm as the watch - I'm using a Garmin FR 410 - and upside down). Now I just get occasionally false reading, mostly when it moves along my arm, or by really cold weather when I've several clothes between the Link and the watch.But overall I still get way less false readings than with my old chest strap (most of the time it's perfectly accurate), and regarding comfort and convenience of use it is far far better! I would never go back to the chest strap. I had to, once recently, because the Link battery was empty, and it was a nightmare.
Date published: 2014-12-31
Rated 3 out of 5 by from Great product but not there yet The product is absolutely fantastic. It does exactly what it is billed for which is amazing. The technical aspects are on point. However, if you plan on using it for anything other than IOS then be prepared for some disappointment. The product really only works with other applications which are not native to the product; these applications do not track the data efficiently, at best woefully. So if you have an iPhone and plan on using it on it then by all means go for it. It is also fantastic for other watches which read HR straps. However, if you wanted a one stop shop, for those on a treadmill, lifting weights, or don't want another watch on then you better have IOS.
Date published: 2014-12-31
Rated 2 out of 5 by from not ready for prime time I tried hard to make the Mio work for me, but the readings were too erratic to be of value. I used it for indoor and outdoor cycling. The readings generally tracked the progression of the workout, but the numbers fluctuated 20-30 beats. The downloaded curve wasn't smooth, rather it was jagged with fluctuations. I tried the band at different orientations around each wrist and forearm.The company was accommodating in returning the unit. I hope to purchase another when the kinks are worked out.
Date published: 2014-12-31
Rated 2 out of 5 by from Great...except for the Bluetooth radio... Does it track my heart rate? Yes. Does it do so accurately? Yes. Unfortunately, when it drops connection to my iPhone repeatedly during workouts, it's essentially useless to me. This is the second Link I've tried, and I've had similar issues with both. Doesn't matter which wrist I put it on or how I place it on my wrist. It's just a bad Bluetooth radio, and that makes for a worthless device since it isn't storing any of the heart data it's reading. The Fuse has a better radio, but the additional cost is too much since it's added functionality isn't of interest to me. Back to a chest strap for me, sadly...
Date published: 2015-07-30
  • 2015-10-07T11:40CST
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We offer shipping throughout the United States, Canada, Australia, New Zealand and some countries in Europe and Asia. Please see the list below for all countries that we deliver to.


 FREE Standard Delivery 
         5-7 business days 
Express Delivery (Canada and US only)
        2 to 4 business days - $30

Countries we deliver to: Unites States, Canada, Australia, New Zealand, UK (including Scotland, Wales & Northern Ireland), Republic of Ireland, France, France Metropolitan, Germany, Italy, Spain, Austria, Belgium, Netherlands, Luxembourg, Monaco, Portugal, Greece, Poland, Hungary, Czech Republic, Latvia, Lithuania, Estonia, Israel, Slovenia, Russian Federation Norway, Sweden, Finland, Switzerland, Denmark, Croatia, Japan, Hong Kong and Singapore. Note we do not ship to APO or FPO addresses.

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