The 75 All Road is compatible with the All Road Wireless Push-to-Talk Button, which is an external PTT button and sold separately on  When connected with a wireless headset, the All Road PTT button allows you to push-to-talk without having to reach for the All Road handset to talk while driving.  The Wireless PTT Button includes a Velcro strap that wraps and attaches to the steering wheel that allows PTT at your fingertips.  How cool is that?