A high-quality one-wire surveillance kit for environments using radios with simple 1-pin connectors that fits snugly around the ear to keep earphone firmly in place. Inline Ptt Switch - The inline switch sets you up for controlling push-to-talk features on your radio, and a lapel clip keeps it handy and out of the way. Talk and listen without holding the radio. Clear sound performance. High-quality Earpiece provide clear audio communication. Fashionable PTT design with metal clip. the Earpiece may be secured to the users lapel or clothing; Comfortable holding. High quality sound even in loud environments. Surveillance earpiece with PTT Microphone works with the all Moto Talk about FRS/GMRS radios capable of using a headset. No set up is needed, just need plug into your two-way radios and enjoy it. Compatible with TLKR Series,T2..., T4..., T6..., T8.Talkabout Radios, such as T200 Series T400 Series T500 T600 Series T800 Series