Description
- Automatically start the designThe operation is very simple, just push the core in the direction of the arrow, which is activated by the internal spring. Please wear a special wristband during exercise to ensure that you will not lose it due to excessive force.
- The variable-speed lights are gorgeous and diverseAs the speed of the core increases, the color of the internal light-emitting strip will be more colorful, making exercise more interesting
- Compact design can be carried anywhereWhether in the office, gym or at home, it can be used as a toy to decompress at any time, ...