Into HIIT and don't mind looking dorky? This activity tracker is for you

Are you into High Intensity Interval Training (HIIT) workouts? Trying to up your game? Don’t mind a robotic voice nagging you to move faster? Don’t care if you look like a 1980s fashion victim at the gym? Then the new Moov HR Sweat ($100) was made for you.Moov HR Sweat differs from wristband devices that track your heart rate, like Fitbit Charge 2 or Apple Watch. Instead, Moov’s product features a quarter-sized sensor that slips into a silicon rubber case, which itself is tucke