This discreet surveillance earpiece is made of lightweight plastic and features a black, two-pin connector, one-wire design, and a cord length of three feet. It is for use with model numbers AC128N001-VX, AC128U002-VX, AC128U001-VX, AC127N001-VX, AC127U002-VX, AC127U001-VX, AC137U002-VX, VX451D0, VX451G7, VX454D0, VX454G7, VX459D0, VX459G7, EVX531D05, EVX531G65, EVX531G75, EVX534D05ED, EVX534G65ED, EVX534G75ED, EVX539D05ED, EVX539G65ED, and EVX539G75ED.