ENDURA 1 WIRE SURVEILLANCE KIT - AT DISCONNECT, PTT, VX4 FOR VERTEX VX230

Also Fits: EVX261, EVX531, EVX534, EVX539, VX130, VX160, VX180, VX210, VX210A, VX231, VX261, VX264, VX350, VX351, VX354, VX410, VX420, VX450, VX454, VX451, VX459. Features: Quick disconnect audio tube. Includes spare earbud.