SUNDELY Throat Mic Earpiece/Headset with Finger PTT For Garmin Rino GPS /2 Two Way Radio Walkie Talkie Rino 110 130 520 610 1-pin Throat Mic Earpiece/Headset with Finger PTT For Garmin Rino GPS /2 Two Way Radio Walkie Talkie Rino 1 pin jack, Finger PTT, Throat microphone 1 spare earbud included Garmin Rino: 110, 120, 130, 520, 520HCx, 530, 530HCx, 610, 655