This Klein Electronics Agent-CO M3 earpiece features a single-wire design with a sturdy D-ring earloop and a clear-audio speaker that sits comfortably on the ear. It comes with an in-line PTT button and microphone. 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 EF Johnson and Motorola radios, including EF Johnson's 51SL, 5000, 5100, 7700 Series, VP600, 900 and Motorola's GP900, 9000, HT1000, JT1000, MT1500, MT2000, MTS2000, MTX8000, 838, 900, 9000, PR1500, MTX-LS, XTS1500, XTS2500, XTS3000/Astro, XTS3500, 5000.

Using this earpiece is easy. Just put the D-ring earloop over your ear, and adjust it to fit comfortably. Connect the earpiece to your compatible radio. You can use the in - line PTT button to talk. It can be used on either your left or right ear according to your preference. When sharing with other shift workers, just make sure to clean the earpiece before and after use. For maintenance, keep it away from moisture and dust. If it gets dirty, you can gently wipe it with a soft, dry cloth. Don't pull on the wire too hard to avoid damage.