Quickly change the amount of weight you’re using with the JAXJOX Kettlebell Connect Smart Connected Kettlebell. This workout accessory can change from 12 to 42 pounds in a matter of seconds. Combining six weights in one, Kettlebell Connect features a bullet stacking system. Likewise, the rotating weight-selection core makes it easy to lock out of or in weighted plates for quick weight adjustment. The highly sensitive 6 axis motion sensors also track every movement you make with accuracy. Holding a single charge for up to 14 hours, Kettlebell Connect helps you focus on your workouts. Moreover, up to nine users can connect to a single Kettlebell Connect. Using the app, data syncs to each user’s account automatically. The wide grip handle and non-slip base also make it comfortable and secure to use. Finally, the digital display allows you to select weight and users effortlessly.