Talk and listen without ever reaching for your radio! The Motorola 53724 uses a handy microphone that clips on your shirt or collar for convenient use. Push-to-talk button and microphone are located on the accessory for quick and easy use. Great for noisy AND quiet areas because speaker is located right near user's ear. MOTORCYCLE ENTHUSIASTS: radio can be placed anywhere with Microphone/Speaker conveniently located - wear it on your collar to keep the volume near your ear. Built-in PTT and microphone is very handy! Compatible with Spirit GT Series and TalkAbout EM, FR50/60, FV, MB, MC, MH, MR, MS, TA280/289, T5000, T6000, T9680 series radios.