Kyocera, Portable HF kit has speaker built on to CLA plug and also detachable mic. For 5135, S14. TXCKT10006

The Portable Hands-free Car Kit is an excellent solution for using your phone hands-free in your vehicle, while at the same time keeping your phone charged. ("Safety is always your most important call". Please use your phone safely while driving).
You can easily move your Portable Hands-free Car Kit from vehicle to vehicle avoiding any costly installation or de-installation charges.
The portable car kit has full duplex audio to allow for clear, two-way conversations. The Car Kit also supports phone features such as auto answer.
You can also use the car kit to charge your phone in about 5 to 6 hours. The green light on the car kit indicates it has power. The battery icon on your phone will indicate when the battery is charged.
An external microphone is included for attachment to your visor. If privacy becomes an issue, just click the privacy button and pick up the phone for normal use. You can also click the mute button to block out sounds in the car. Adjust the volume with the thumbwheel control device.