My ipod nano 4 doesn't work any more it won't charge or do anything help

Hello there, Rivanold.

The following Troubleshooting Assistant for iPod nano (4th Generation) provides some practical steps for troubleshooting your nano:

Apple - Support - iPod - iPod nano (4th generation) Troubleshooting

https://www.apple.com/support/ipod/five_rs/nano4gen/

If after following each of the 5 R's, the issue persists, the assistant offers 2 options to for proceeding:

Arrange a phone call with an Apple Expert who specializes in your exact question.
NOTE: Phone support options vary by country.

You can also use our Online Service Assistant to learn your service and repair options and to set up mail-in service where available.

Thanks for reaching out to Apple Support Communities.

Cheers,
Pedro.