This is the Boxing Buddy: a robotic boxing trainer with 2 arm that strikes bag to improve your skills. It has 4 difficulty levels and 3 workout modes. Boxing Buddy is compatible with common punching bags on the market. You can also fit it on round objects you can find outside. It connects to your smartphone via Bluetooth.
Thanks to this smart boxing trainer, you can work on your defense, agility, coordination, and mobility. It has random sparring, custom and coach modes. In custom mode, you can choose the specific punches, speeds, and frequencies you want to practice. Boxing Buddy lasts up to 10 hours on battery.[where to get it]