The Main theme is "Music + Lights".
Bluetooth Speaker combines with the OLED Lights.
Bluetooth Speaker is a main controller to contro both speaker & OLED Lights
OLED Light also contains the Woofer Speaker to make a perfect suround system.

We all have a LED light.
We all have a Speakers.
If we want something new, then we should create something different.

Bluetooth Speaker (Main Controller)