Streamline your workout – and your body – with NordicTrack iSelect Dumbbells, a revolutionary home training system that incorporates 20 dumbbells in one set of weights. Both dumbbells can be adjusted from 5-50 pounds, in 5 pounds increments, either manually or via voice control, and wirelessly connect to your smart device for a workout routine (there’s even a storage tray/stand for your phone or tablet) for extra motivation. Thirty-day iFIT Membership included.