Experience life-changing fitness results from the comfort of your own home with the ProForm Performance 600i Treadmill. The ProForm Performance 600i Treadmill features an array of onboard options and easy-to-use controls that allow nearly anyone to enjoy a customized and rewarding workout experience. Upgrade your treadmill with an iFit account (sold separately) to experience interactive personal training in your home. Travel around the world or transform your living room into a boutique studio with thousands of on-demand workouts tailored specifically for you. Incline matching technology allows your favorite trainer to digitally control your machines speed and incline, making for a truly immersive training experience. Stay pumped up by connecting your iPod to your machines onboard sound system and enjoy your own music while you run or walk. The built-in CoolAire fan helps regulate your body temperature and keep you comfortable during periods of intense activity. ProShox cushioning technology makes your workout comfortable by minimizing the impact on your joints. The unique SpaceSaver design makes your machine easy to fold up and out of the way when not in use.