The Klein Electronics Agent S3 is a top - notch single - wire earpiece designed for Icom radios. It features a robust 'C' swivel earloop and a high - quality, clear - audio speaker that comfortably rests on your ear. The in - line PTT button and microphone make communication seamless. Ideal for shift workers who need to share earpieces, it can be used on either the left or right ear. Compatible with a wide range of Icom models including F3G, F3GS, F4G, F4GS, F11, F11S, F14, F14S, F15, F21, F21S, F22, F24, F24S, F31, F33, F43.

Using this earpiece is easy. First, attach the 'C' swivel earloop to your ear, either the left or the right one as you prefer. Then connect the earpiece to your Icom radio. Press the in - line PTT button when you want to talk. For sharing, just take it off your ear and pass it to your colleague. When not in use, keep it in a dry and clean place. Avoid getting it wet, as moisture can damage the speaker and microphone. If it gets dirty, gently wipe it with a soft, dry cloth. That's all you need to know to make the most of your Klein Electronics Agent S3 earpiece.