The 4iiii Sportiiiis Review: Using Your Eyes to Train

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Manufacturer:  4iiii Innovations Model: Sportiiiis Heads Up Display Base Price: $149.99 As much as I love my Garmin, I am constantly bothered that I can’t read off my pace and heart rate at the same time.  Obviously, the two are intricately connected.  The Sportiiiis easily solves this problem with a nifty LED indicator that sits below your eye and lets … Read More