ACN-01 Audio PTT and MIC cable (for use with receive-only Earpiece)IP54 compliant PTT button and microphone, supports VOX function and consists of 3.5mm jack socket enabling user to replace earbuds for comfort and hygiene purposesFind a dealerHighlightsFunctionsTechnical SpecificationsRelated Products PD985 UL913 PT560H PD785 UL913 PT580H PLUS S