... Pro Talk) TK-3101Soft and clear tube earpieceDurable cord made from KevlarGood sound transmitPTT buttonVarious radio plugs are available--The plastic earbud ... earphones kit provides excellent durable.--Quite release transparent tube earbud .--Low profile, flexible, and transparent acoustic tube.--Lovely ... ,430,431,TK-2100(Pro Talk),2102(Pro Power),2130(Pro Talk XLS),2160,TK-3100(Pro Talk),TK-3101(Free ...