Bluetooth speaker with wireless charging

Bluetooth speaker with wireless charging. It is potentially waterproof.
Warning! The central body has a special side on which it must be printed, to reduce the number of supports.
Tutorial:
https://youtu.be/QKgpG0Le3OA
https://youtu.be/neoEZRJokA0
I recommend these electrics components to make it:

Dc-dc 5v converter https://bit.ly/3fTAjzO
Battery charger (2S 0.5A) https://bit.ly/2O2cYAu
Battery Charger Protection https://bit.ly/2QB101u
Wireless bluetooth speaker https://bit.ly/39lMUaN
Button https://bit.ly/3ddFKGU
Wireless charging https://bit.ly/3w3JZgC
Battery voltage display https://bit.ly/3vZLLQ9
Kit led https://bit.ly/31mPWHF
Li-ion 16000mah https://bit.ly/39lNwx7
Kit resistor https://bit.ly/3fkcsZC
Speaker https://bit.ly/31oElrs