While exercising, an accelerometer at the cuff of the sleeve by your wrist measures data.

Depending on specific motions you perform, this data will change and send a message to the main MP3 board on your shoulder.

If a certain threshold (or motion) is met, the song may skip, rewind, pause, play, etc.

The neopixel lights are an added touch and have a color-coded light show according to what action is performed.

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