10 Stylish Fitness Tracker Accessories For Getting Your Burn On

The Mira Smart Bracelet ($99) aims to be your own discrete personal trainer. Although it'll look like you just scored a new bracelet during your last shopping outing, the Mira will be working all day long to crunch data on the amount of steps you take, the time of day you're most likely to have more energy, and daily estimates of your calories burned.