Add a little fun to your workout routine with the VHOOP Smart Fitness Hula Hoop. VHOOP gives you an interactive workout with noticeable results. Connecting to your smartphone, you can see the numerical value of every workout. VHOOP syncs in real time and uses sensors to detect your movements. The app tracks the number of rotations, the length of the workout, the calories you burn, and more. The VHOOP app has a large display of the metrics so you can view your stats while working out. In addition, you can add weights to the high-quality frame to intensify your workout. This turns VHOOP into your personal smart gym and the app can guide you to total improvement. Best of all VHOOP is modular so you can disassemble and reassemble the smart hula hoop anywhere you go. Finally, charging in just 1.5 hours, the VHOOP battery lasts for 15 days.