2024 New Accessories:Upgrade Independent speakers to provide better sound quality; phone bracket to facilitate the switching of songs at any time;extra storage so that you can be fixed the boxing machine to the position you want. Comes with boxing gloves and wrist guards to bring you a better training experience. Training Mode: Press 'Switch Mode' botton (the screen shows 'H001' ,'H002' ), In this mode you need to connect Bluetooth (named 'YET') to play songs from your phone. The boxing machine will shows dynamic bar effects. You can choose your favorite tunes during training. Playing Mode: Press 'Switch Mode' botton (the screen shows 'C001', 'C002'), Plug in the USB (make sure Bluetooth is off) Pressing the 'Next Song'button will play the song in the USB and the dynamic bar effects will flash in rhythm with the song.