PS5 Controller RASEN Tested Working Junk Item

Selling because I no longer need it. I bought it for a little over 30,000 yen about 2 years ago.
If you don't need the back buttons or the built-in controller microphone, you can use it without any inconvenience.
As you can see in the 5th photo, the side has melted due to a mistake during welding.
All back buttons are broken, and while 2 out of 4 respond, they cannot be remapped and do not function properly. The microphone is also broken, so it is being sold as a junk item.
Price negotiation is welcome.

[Strong Model]
⚪︎ Body Color: Nova Pink
⚪︎ Number of Back Buttons: 4
⚪︎ Remapping Function: Yes
⚪︎ Mouse Triggers: L1, L2, R1, R2
⚪︎ Analog Sticks: Normal
⚪︎ Vibration Removal
⚪︎ Box, Manual, Accessories, etc.: None
As this is a junk item, please no claims or returns.