Compatible with GRS Spinner/Trackball and A1U original stock spinner/trackball(P.s. USB does not compatible with new 1U upgrade spinner)
Only compatible with original GRS spinner, NOT compatible with counterfeit
Convert your A1U stock spinner and trackball to USB Compatible
No soldering and wire cutting
Competable with Arcade1Up Asteroid Unit, 12 in 1 Delux Unit and 6 in 1 Unit 1. Glen's Retro Show reviewed 2. Allow you to connect Arcade1Up stock trackball and spinner 3. Plug and play 4. No soldering and wire cutting 5. Ability to convert stock spinner and trackball data into mouse cursor 6. Competible with Windows, Linux, Android, OS 7. Review & installation video: https://youtu.be/S8Q7cOj8R9g