Brand: Sennheiser, Model: 1000854, Product Type: Cable, Product Color: Black, Connector 1: EasyDisconnect, Connector 2: 3.5mm, Connector 1 gender: Male, Connector 2 gender: Female, Microphone Preamplifier: Yes. The EPOS | SENNHEISER CALC 01 1000854 is a connector cable designed to fit sennheiser EasyDisconnect headsets to Alcatel IP Touch 4028, Alcatel IP Touch 4038, Alcatel IP Touch 4068.