The Motorola 53728 Lightweight Earpiece flexes to fit the ear contours for hours of comfortable wear. The unit comfortably fits over ear and sits on the outside of the ear - great for sharing with co-workers. Compatible with all single pin TalkAbout Series Radios as well as the Spirit GT Series. Earpiece for your Motorola 2-way radio Compatible with Motorola FR50, FR60, TA280, T289, or T6300 series FRS radios Talk and listen without holding your radio Flexible receiver conveniently and comfortably fits in the ear