AOER 2-Wire Two-Way Radio Surveillance Earpiece Kit for Motorola XPR3300 and XPR3500 2-Wire Design for the ability to split mic and speaker wires 3 foot Kevlar cable, Replaceable coil tube and earbud Includes: 1 - Clear silicone earbud, 1 - pair Left/Right Medium Molded Earbuds PTT heavy-duty mic switch, PTT switch dimensions: 2" x 5/8" x 5/8"