The Motorola APX radio adapter is a multi-functional adapter that bridges the gap between wired and wireless radio transmission.
The product addresses certain fears that people have when on a wireless radio connection -- from the battery dying to a bad Bluetooth connection. Motorola's multi-functional adapter allows users to pair it with Bluetooth devices, as well as plug-in microphones, enabling a wired connection should the other one be buggy. The transition between the two modes -- wireless and wired, is done through an ON/OFF Kill Switch. When it's turned off, the radio goes back to its default setting. That is, one can talk and listen through the radio, whereas if the Bluetooth microphone dies or the connection becomes disabled, the connectivity between two radios is compromised.