Retevis 2 Pin Acoustic Tube Earpiece Headset Walkie Talkie Earpiece with Mic PTT Compatible Baofeng UV-5R BF-888S Retevis H-777 RT21 RT22 RT27 H-777S RT-5R RT7 Arcshell (2 Pack) The earpiece is long enough for you to hang on anywhere;plug to PTT is 52 inches The transparent tube connecting the ear bud makes you look like a secret service agent The comfortable earbud can fit to the ear and enjoy long time using;will not hurt your ear Former pin diameter of 3.5 mm and 2.5 mm in diameter after pin;PTT and mic on the earpiece provided hands free Simple and convenient return process; 60 days warranty provide by us and 30 days no reason to return