Sennheiser CSTD 01 Phone Cable Adapter
Data transfer cable adapter.
The Sennheiser CSTD 01 Phone Cable Adapter has a quick disconnected cord that can easily connect to your Sennheiser corded headset.
Plug it to the UI 760 amplifier or directly into specific Avaya, Cisco, Mitel, Nortel, Polycom, Siemens and NEC phones.
Dimensions: 4.8" L x 0.9" W x 1.7" H