B06XCS7VJ2 PRYMEBLU BT-PTT2 Industrial, Military Spec Certified, Durable, Enterprise Bluetooth Headset for Kenwood – Black

Allows you to activate the two-way radio’s push-to-talk function wirelessly.
Internal Li-Ion battery pack powers the BT-PTT for 12 hours or more on a single charge.
Can be held in the hand or attached to almost anything using the included strong metal clip.
Requires a PRYMEBLU wireless Bluetooth adapter (sold separately.)