Ignite the core muscles The most powerful core training device that effectively exercises muscles, enhances core strength, and reduces weight. Improve stability and balance Develop explosive power Build functional core strength Efficient fitness Training in short and intense bursts, the result of 4 minutes is more effective than an hour of running. Adjustable core weight Provides 5 weight levels, adjust the weight to suit your exercise, and generate more power output. Elastic drawstring Dynamic resistance keeps your muscles active throughout the range of motion without wasting energy. Smart APP It shows exactly how to perform each exercise and guides you through the entire exercise process. Irradiated grip It can train all the muscles of the upper body for more effective exercise. Easy to operate and carry The setting is completed in a few seconds, and it can be easily used in any venue anytime, anywhere.