| VDASH-EMU Button-Box (2015) | V2RButtonBox (2021) | |
| V2R Technology | First Generation (2015) | Second Generation (2021) |
| Real Time | No | Yes (up to 1000 impulses per sec) |
| USB Controller Required | PJRC Teensy LC ($12) | PJRC Teensy LC ($12) |
| Max Buttons Per Controller | 32 | 64 |
| Max Axes Per Controller | 0 | 6 |
| Max USB Controllers | 4 (128 buttons) | 4 (256 buttons and 24 Axes) |
| Screen Ratio Supported | 16:9 | 16:10, 16:9, 5:3, 4:3, 3:2 |
| OS Platform | Windows and Android | Windows and Android |
| Software Compatibility | Games Supported By SLIMax Mgr Pro | Universal, All Software or games |
| Software License | donation per emulator (VDASH-EMU for Windows or Android) | One donation only for Unlimited V2RButtonBox for Windows AND Android for the V2RBox USB Controller |
| More Info (link) | SLIMax Manager Pro | v2rbox technology |