USB Diagnostics Port FFFE (COM4) for 355V4C/356V4C/3445VC/3545VC driver [Setup.zip]
USB Diagnostics Port FFFE (COM4) Driver for Windows Vista/7/8/10 32-bit and 64-bit. Keep your PC sounding crisp and clear.| Driver name | USB Diagnostics Port FFFE (COM4) |
| Version | 2.0.6.7 |
| Date | 2012-06-05 |
| Win 32 Support | 2K,XP,2K3,VISTA,WIN7 |
| Win 64 Support | XP,VISTA,WIN7 |
| Filename | Setup.zip (7.6 MB) |