The Polar V800 watch is as futuristic as it sounds. Designed for athletes, the device helps monitor training, sleep, and recovery and even tells time. The watch syncs to your phone or tablet so you can enter your training goals and then see your results. Once you enter your goals in the app, the watch will help you maintain the right pace to accomplish whatever goals you set. What’s more, the Polar V800 ($500) doesn’t stop on the field; it tells you how long you need to rest after a session, and if you’re being too strenuous during your rest, it will notify you to slow down or rest longer. The presale version of the Polar V800 is available now, but all the components don’t come out until August 2014. At that time, you can update your device with the latest features.