Garmin - vivosmart 4 Activity Tracker + Heart Rate - Black
Model: 010-01995-10
SKU: 6290120
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Syncs good with the phone. Battery life is excellent only have to charge every other day. Tracks all activity.
Posted by zzvaughn
I keep track of calories burned, heart rate and Sleep. Quick charge and last long time. It’s thin and very comfortable.
Posted by Alicor0684
I had a few hesitations purchasing this device at first looking through online reviews and what not, and was mainly deciding between this device and the Fitbit Charge 3 that released around the same time. I didn't care much about the GPS factor as I almost always have my phone on me and the Garmin Connect app connects to Strava, which maps your runs anyways. Where this device really shines is that it is a fitness tracker. That's it. Nothing more, nothing less, but it does a very good job at doing just that, being a fitness tracker. It's extremely slim form factor makes it easy to forget that you even have it on. The battery life is awesome as well (I have yet to get close to empty, but I do take it off daily [not always] when I shower) and I've had this product for almost a month now! So A+ for design and battery life so far. In term's of usefulness, accuracy and metrics. This device comes with all the advanced sensors except for GPS as mentioned above, which may be a deal breaker for some. In terms of tracking heart rate, it has proven to be very accurate so far for myself though I've read certain variations if doing overhead activities (which makes sense because the blood is flowing away from your extremities here...) and something that I find acceptable. The HR tracker is all-day and I haven't looked for a way to turn it off, since I like continuous readings. This device can also be configured to detect when you are exercising based on your heart rate zones, which are automatically set based on your body dimensions and changed as your work out. This device also tracks your sleep extremely well and one of the most awesome features is the "Body Battery" tracker, which uses various data points to determine if you are exhausting your body and should rest/refuel, or if you have enough energy and are good to go. I have found this to be extremely accurate across various situations. Similarly to Fitbit, the Vivosmart 4 also checks your sp0(2) levels, or oxygen saturation levels. Many people might not care, but fitness junkies (and well, everyone) should, as it is a indicator of how efficient the cardiovascular and respiratory system are working. In summary, I love this device. I was choosing between this and the Fitbit Charge 3 as mentioned, but saw many and personally seen too much variation in HR readings from Fitbit devices. If HR cannot be accurately measured, it would alter all the other "metrics" that Fitbit claims to be accurately calculating. The Vivosmart 4 wins with being a pure fitness tracker (I rarely look at it or interact with it, which I think is the point), form factor, and overall price.
Posted by TheBFitMethod
Customers enjoy the vivosmart 4's long battery life, comfortable design, accurate heart rate monitoring, and detailed sleep tracking. They appreciate the slim design, affordability, and waterproof capabilities. However, some users have experienced connectivity issues, durability concerns, and occasional charging frustrations.