The Klein Electronics Star MultiPin M5 Single Wire Earpiece is a great choice for Motorola, HYT, and Relm radios. It features a clear quick-disconnect audio tube and a clothing clip. You can choose a black tube if you like. When ordering the Star Quick-Disconnect (Star-QD) earpiece, a separate Quick-Disconnect adapter is needed. It comes with an in-line PTT button and microphone, and can be adjusted for left or right ear use. Eartips are included. Compatible with RELM models like RPV3000, 3600/RPU3000, etc., Motorola models such as EX500, EX560XLS, etc., and HYT models like TC610P, TC780, etc.

Using this earpiece is easy. First, make sure you have the right Quick - Disconnect adapter if you're using the Star - QD version. Connect the earpiece to your radio following the standard connection method. Adjust the earpiece to fit either your left or right ear according to your preference. You can use the in - line PTT button to communicate. When not in use, keep it in a dry and clean place to avoid damage. If the audio tube gets dirty, you can gently wipe it with a soft cloth. Don't use sharp objects to clean it as it may damage the tube. Also, make sure the eartips are clean for better audio quality and comfort.