Allows you to use most* wired privacy cell phone headsets with Vocalize Bluetooth Cell Phone Voice Control System and TalkSafe Landline Speakerphone or a PC Computer
One 2.5 mm female with two 3.5 mm male plugs for speaker and microphone jacks on Vocalize blue brainbox and TalkSafe TED Package
*Some headsets may perform better than others. Broadened Horizons suggests simply plugging in different models and calling a friend to have them tell you which one sounds best. Most headsets should work great but not all headsets may work with Vocalize if they do not have proper impedance or other technical differences.