Uniden Bearcat BC906W wireless CB Microphone allows you to Communicate outside of your truck. This noise-cancelling speaker and microphone unit gives you added freedom and mobility by connecting wirelessly to your Bearcat CB radio from up to 100 meters away. The CB microphone detaches easily from its charging cradle and syncs securely with the cradle. It uses DECT 6.0 digital format at 1.9 GHz frequency for clear, secure communication. The microphone features a push-to-talk button, an up/down volume control, and three-color LED indicators for transmission status and battery strength. Power-saving features and a convenient USB car charger ensure the microphone stays powered and ready. The Uniden Bearcat BC906W Wireless CB microphone is Compatible with Bearcat 680, Bearcat 880, Bearcat 980SSB, PC687 and PC787 CB Radios.