If you like boxing, or workouts that generally involve punching things, an Apple Watch or a Fitbit just isn’t going to cut it. For those of you actually want insightful stats while pounding the heavy bag, wearing something bulky on the wrist isn’t all that comfortable, either.

So, that’s where Corner comes in. The pair of wearable devices serve up real-time metrics, including punch speed, power, and will even break down your best punch combinations.
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https://www.wareable.com/wearable-tech/corner-boxing-tracker-wearable-review-6865