DIY mini Bluetooth music box. How to make Bluetooth music box at home

Описание: In this video, I used TPA 3110 30 watts amplifier. But actually it work only about 10 watts per channel. That's why I used this.

Components list

TPA 3110
18650 batteries
Bluetooth module
DC to DC step up module
Lithium charger module
LED
1k resistor
On_Off switch
2 inches speakers