Translation:
I accidentally forgot my jbl headphones from my ipad
I accidentally forgot my jbl headphones from my ipad and I don't want to reset my tablet because my passwords are not saved and I don't know my passwords so does anyone know how to restore my headphones when I reset them?
The iPad User Guide outlines the process of pairing Bluetooth accessories - such as compatible headphones, keyboard, mouse or trackpad - with your iPad:
Set up and use Bluetooth accessories on iPad - Apple Support
You should also refer to the pairing procedure for specific third-party accessory - which will be found within its associated User Guide.
Should you experience difficulties, this support page should help with troubleshooting:
If you can't connect a Bluetooth accessory to your iPhone or iPad - Apple Support