Judging by a recent FCC application, Adidas is about to add a new player to its miCoach lineup: the X_Cell performance monitor. According to the manual, the wee device can either be worn on your clothing or strapped to your chest for use in sports like football, soccer and tennis. So attached, it'll store seven hours or more of your sprinting speeds, dodging and cutting forces, jump forces, workout times and heart rates. You can
