Mio FUSE Heart Rate
Mio FUSE Heart Rate Training + Activity Tracker, Aqua, Small/Medium



  • Get EKG-accurate heart rate data from your wrist with no chest strap required.
  • Track your all-day activity (steps, calories, & distance) + workout tracking.
  • Features both Bluetooth Smart (4.0) and ANT+ transmission to mobile apps and sport devices.
  • Size S/M: fits wrists 5.8″ – 7″, Size L: fits wrists 6.1″ – 8.2″
  • Water resistant (30M).
  • For Mio product support, please contact 1-877-770-1116 (Mon-Fri: 9am to 5pm PST).

The Mio FUSE has all the features you want in a fitness tracker paired with the engineered precision of Mio Heart Rate Technology. Mio FUSE takes your performance and training to a whole new level. Not only can it monitor your heart rate with peak accuracy during workouts, but it also tracks your steps, calories, distance, pace, and goal progress throughout the day.



How do I choose the right size?

Mio FUSE Heart Rate is available in two sizes. Size Small/Medium fits wrists 5.8″ – 7″, Size Large fits wrists 6.1″ – 8.2″.

Question not answered here? The Mio Support Team is happy to help you out; send us an email us any time at support@mioglobal.com, or call us at 1-877-770-1116 (Mon-Fri: 9am to 5pm PST).

Do I need a smartphone to use FUSE?

To configure and sync Mio FUSE Heart Rate you’ll need the Mio GO app, which is available for iOS and Android smartphones. FUSE is compatible with the following devices:

IOS: iPhone 4S and higher, iPod Touch 5th gen.

Android Devices: HTC One (OS v4.3+) & M8, LG G2 & G Pro2, Motorola Moto G, Moto X, Droid RAZR M, RAZR Maxx HD, Droid Ultra, Maxx, Mini (OS v4.4+), LG Nexus 4, 5, 7, Samsung Galaxy S3, S5, S5 Mini, S4, S4 Mini, Note 2, Note 3, Note 10.1, Sony Xperia Z, Z1, Z1 Compact, Ultra, ZR, ZL, Sony Xperia SP, V.

Mio FUSE Heart Rate cannot be synced to or be configured with a Windows phone, Blackberry device, desktop computer, or laptop.

What should I do if I’m getting inaccurate heart rate readings?

Inaccurate readings are usually caused by poor contact between the heart rate sensor and your skin. Make sure that Mio FUSE Heart Rate has a snug fit on your forearm, about 2 finger widths above your wrist bone. If you have a very small wrist, wear Mio FUSE Heart Rate higher on your forearm. You can also try wearing FUSE on the inside of your arm.

What apps can I use with FUSE?

You can only configure and sync data from FUSE with the Mio GO app, but you can transmit heart rate directly to any app that syncs with Bluetooth Smart (4.0) heart rate sensors.

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Some popular apps include: Strava, MapMyRun, RunKeeper, Endomondo, Wahoo Fitness, Pear Sports, and DigiFit.

Connect FUSE as a heart rate sensor through the settings of the app you’d like to use.

Can I transmit heart rate from Mio FUSE Heart Rate to exercise equipment?

Mio FUSE Heart Rate transmits heart rate using Bluetooth Smart (4.0) and ANT+ heart rate profiles to equipment such as bike computers, GPS watches, treadmills, rowing machines, and more.

To see if your device/equipment is compatible, look for a Bluetooth 4.0 or ANT+ logo, or view your product’s Specifications section on the Mio Global website for a full list of brands and models.

Seize The Day!

Track Your Day. In Action.

Mio FUSE is a sleek all-in-one performance wristband that combines the features of a heart rate monitor, sports watch, and activity tracker. Monitor the intensity of your workouts and your movement throughout the day for a more comprehensive look at exertion, recovery, and overall fitness than any other product on the market.

FUSE transmits heart rate via Bluetooth Smart (4.0) and ANT+, so you can display and store heart rate data with your smartphone, bike computer, GPS watch, or any other compatible device. Other features include:

  • Built-in accelerometer to capture steps, calories, distance, and pace.
  • Optical heart rate monitor, for EKG-accurate heart rate without a chest strap.
  • Configurable heart rate zones.
  • 5-color LED and vibration alerts to indicate heart rate zone.
  • Chronograph timer
  • Offline storage of 2 weeks of daily activity data and 30 hours of workout data.
  • Water resistant to 30 meters.
Technical Specifications

Connectivity: Bluetooth 4.0 and ANT+

Sensors: Optical heart rate and 3-axis accelerometer

Battery: Rechargeable Li-Poly

Battery Life: 7 days with 1 hour workout/day

Offline Data Storage: 2 weeks of daily activity + 30 hours of workouts

Water Resistance: 3 ATM (30m)

Sizing Information

Mio FUSE is available in two sizes.

Aqua Regular (S/M) Strap: fits wrists 5.8 inch – 7” / 147 – 179 mm

Crimson Long (L) Strap: fits wrists 6.1” – 8.2” / 156 – 208 mm

Why Train With Heart?

Heart rate training is the most effective way to track your fitness and improve your performance. That’s why Mio develops innovative, easy-to-use products that make heart rate monitoring comfortable and accessible for all athletes.

Key Benefits:

– Understand your physiological response to exercise with real-time, continuous feedback.

– Prevent injury caused by overtraining and improper pacing.

– Improve workout efficiency and effectiveness by training in the appropriate heart rate zone.

– Develop your body’s ability to use fat as fuel.

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– Accurately track your progress.

Seems most of the other Activity/Fitness trackers are more geared toward runners, and some even now towards cyclists. I’m wearing 3 trackers on my arm currently and decided to do a 16.5 min workout which incorporated crazy hand moments (jumping) and no hand moments (planks, etc). The Basis only recognized your workout (albeit automatically) when you start something with hand movements and sustain nit for a while). For my purposes – NO BUENO, because it told me I only worked out for only 4 minutes. Forget when I decide to do weight training…
I need something that I can say, “hey, I’m about to workout now. Don’t worry about what I’m doing just tell me how many calories I burnt based on my effort”. And this is the device for that purpose.
I’ve had a jawbone Up for a year and half, and while I love the concept, the ability to tell it , “hey, I’m gonna workout now so separate this from everything else” and love love love their ap, it’s time to get divorced. After 4 malfunctioning devices in less than 18 months, I’d say that’s a wrap. Plus, I am curious as to a more accurate expenditure of energy during my workouts because telling the UP app that I did Easy, Moderate, In the Zone, Difficult or Gut Busting effort is pretty relative and I often find myself not being sure where my effort fell.

So far, I’m getting everything that the Fuse advertises itself to be.
It didn’t loose my heartbeat not once during the craziness of jumping around, Cant say the same for the Basis Peak. It spent about 1/2 the time searching for my heartrate. boooo.

Love that I can get the information just about my workout while Fuse is workout mode. Like steps, calories burnt so far, distance…which I found helped me to push when I saw that the workout was almost over and I had only burned 90 calories so far when I thought for sure i would easily get 200 calories in this workout. It helped me push harder than previous sessions of this same workout.
Love too that after uploading the workout to the ap I realized that even though I surely thought I was gonna die, it really only classified as a “Light/Moderate” workout. Hence, I have much much room for improvement in my fitness.
Yes, I wore the Fuse as suggested, and have it pretty darn tight so it wont budge. I’m sure that helped withe getting a constant heart-rate reading during the workout. It also seems well suited to last a while based on the construction. And this review shall be updated every so often so say whether or not I’m still in love.

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Step count:
I manually counted 89 steps and checked back with the 3 devices to see:
Basis Peak: 89
Jawbone Up: 82
MIO Fuse: 80
Close enough.

Impressed that I activated my device at 2:45 in the afternoon and it told me that I had already burned over 800 calories already that day. Perfect! The algorithms were at work to catch up.
I cant say the same for the Basis Peak who didn’t even try to catch up on where I was that day when I activated. it only accounted for what happened during the time wearing it.

It’s hard not to compare the one device with the other because they appear to market to similar if not the same crowd. I’ve also decided that after having/using Sleep tracking for over a year with the Jawbone UP, it’s really just a novelty and the interest quickly wanes. After-all, if you woke up tired, you probably didn’t sleep well. There! Anyway, i wont miss it with this device.

About that “constant heart-rate” thing: Soo, you’re siting there watching TV and eating chips and decided, “hmm, what’s my heart-rate?” You can simply tap and hold the button for workout mode, see your heart-rate and turn it back off. This might show up as a 0.0 minute workout when you sync to the app, but it’s easily delete-able.

It’s nice that they have options for you to tell the app what kind of workout you did. So far I don’t do any of those things regularly for my workout so I’ll leave it as unspecified, but it’s a nice touch, and I’m sure more options can easily be added in the future. Maybe MIO can consider having us write in our own activity type too until then.
Off to return the other two rubber bands to the store.


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