FM radio

Hi! That's my first 3d design and first post here.

This FM radio based on chinese FM radio module. I don't know its name, but you can find it as "87-108MHz DSP PLL LCD Display Stereo FM Radio Receiver Module" on ebay or aliexpress. Here for example: https://www.ebay.com/itm/272638277422

Besides this module you will need:
* Two speakers (4cm diameter). I use 4Ohm 3W
* Li-ion battery 18650
* 18650 battery holder https://www.ebay.com/itm/303998386062
* Li-ion battery charging module https://www.ebay.com/itm/203225413737
* Boost converter https://www.ebay.com/itm/284275062043
* Rocker switch 10x15 https://www.ebay.com/itm/283838687714
* Electrolytic capacitor. I use 16v 330uf
* And maybe a small external antenna

You can try using a piece of wire wrapped around a rod as an internal antenna. Like this:

But in my area FM receiving is not the best, so I use an external telescopic antenna.

I ha