Hytera EHM04-AThe EHM04-A is a C-shape earpiece with in-line mic and ptt. This earpiece is designed to hook around the user's ear. The EHM04-A works with BD502i, BD552i, BD612i, PD402i, PD412i, PD482i, PD502i, PD562i, TC-508, TC-610, TC-700.*1 year warranty on this earpiece.Atlantic Radio is a Hytera Diamond Dealer.