AT&T SMT5700 Headset Adapter. Converts Mini-USB to 2.5mm and 3.5mm headsets to work with the AT&T SMT5700 handset. The headset adapter is an original (OEM) product manufactured by UTStarcom compatible with the AT&T SMT5700.
AT&T SMT5700 Headset Adapter. Converts Mini-USB to 2.5mm and 3.5mm headsets to work with the AT&T SMT5700 handset. The headset adapter is an original (OEM) product manufactured by UTStarcom compatible with the AT&T SMT5700.
AT&T SMT5700 Headset Adapter - UTStarcom Original OEM SC5700B