GymBoss interval timer features: Retails at: $19.95 plus S&H The guys at GymBoss.com were generous enough to let us test the newest version of the GymBoss interval timer.  Before we test their fitness timer we wanted to give you a little background information on what exactly the GymBoss interval timer truly is. First off the GymBoss interval [...]

GymBoss, Interval Watch Timer, Training