Push-to-talk and Lone Worker Protection (LWS) are just a few of the functional benefits that RugGear has included on the RG655. The device looks relatively contemporary by outdoor smartphone standards, which makes a change. It is not all roses though, as we will discuss in the review below.
https://www.notebookcheck.net/RugGear-RG655-Smartphone-Review-A-pleasant-outdoor-handset-with-a-few-useful-extras-and-shortcomings.428352.0.html