Kyocera TXCKT10069 Earbud Headset with Answer/End Button - Non-Retail Packaging - Black This Kyocera mono ear bud headset will allow you to handle your phone calls with ease and the ability to multitask Keep doing whatever it is your doing when the call comes in and handle it with ease This mono ear bud style headset from Kyocera uses a 2. 5 mm jack that will connect into many different Kyocera devices When a call comes in, simply push the one touch button found on the inline microphone to answer, push again to end the call