Quantity   Component name
1 × PAM8403 Super mini digital power amplifier board https://www.aliexpress.com/item/32547041203.html
1 × AIYIMA 3Inch 8Ohm Audio Portable Speakers https://www.aliexpress.com/item/32947415003.html
1 × Arduino Nano 3.0 Atmega328 Controller
2 × PJ392 3.5mm Stereo Headphone Jack
1 × B0505S-1W
1 × Slide Potentiometer 10K
2 × Metal buttons (12mm) with diode light