Two-Way Radio Wireless Headset Adapter is compatible with most Wireless headsets and other audio accessories Easy pairing process. Stores paired connection to the wireless headset even if the Radio is powered off or adapter is removed from the two-way radio. Always turn off your two-way radio before connecting the PRYMEBLU Advanced Adapter to your radio. SEVERAL PUSH-TO-TALK OPTIONS: Use the PTT button on the PRYMEBLU adapter to initiate transmissions, or use one of 6 different optional PRYME BT-PTT Wireless PTT Buttons ComPlease view the PRYME Adapter User Guide Video below for directions on how to pair your wireless accessory with your radio using the PRYMEBLU Wireless Bluetooth Adapter. Should help be needed, please call PRYME Customer Service @ (800)-666-2654.patible with Vertex/Yaesu Radios Compatible with Vertex/Yaesu Radios PRYMEBLU Wireless Adapter allows you to use a compatible wireless headset or other audio accessory with your two-way radio. The Wireless Adapter (Dongle) fits VERTEX and Yaesu Two Way Radios using 3.5 pin connector that screws into radio. It's compatible with most of off the shelf consumer audio accessories and pairs easily, allowing you to operate wirelessly. The Wireless Adapter (Dongle) fits VERTEX and Yaesu Two Way Radios using 3.5 pin connector that screws into radio. It's compatible with most of off the shelf consumer audio accessories and pairs easily, allowing you to operate wirelessly. The V2 Chip adds BTLE capability allowing use of the Z Mini and ZU Super Mini PTT buttons