The Featured Noise Cancelling Kit with Translucent Tube and Soft Rubber Eartip: Ensure your voice is heard clearer, crisper, and louder regardless of level, Reduce the effect of wind and other outdoor noises, background crowd and machinery noise, so your messages are always heard clearly
Compatible with Garmin Rino GPS 2 Way Radios:
Rino 110, 120, 130
Rino 520, 520HCx, 530, 530HCx
Rino 610, 650, 650t, 655, 655t
Rino 700, 700t, 750, 755t
And most other Garmin walkie talkie with 2.5mm 1 pin jack