These covert acoustic radio earpieces are exceptionally durable, but still lightweight. The audio quality for this earpiece is excellent and works well in a variety of conditions. The push-to-talk (PTT) housing clips securely to your vest and lies flat so it is not easily displaced and can be pressed from the front without having to grab hold of the unit. These RCA 2 pin earpieces are used by close protection officers, doorman’s, security officers, covert police, store detectives, private investigators and just about any kind of undercover operation teams you can think of.<br> <br> High quality two wire earpiece with HQ PTT microphone. Two wires extend from the radio connector jack, one to the acoustic tube (110cm + eartube) and second to the PTT / microphone (95 cm). Excellent for down sleeve, under clothing operation or can be clipped near the lapel or to the vest. The two-wire earphone kit provides excellent durability, reliability and performance in low-profile environment. <br> <br> <b>This earpiece for 2 pin RCA radio features a 90 day "no questions asked" money back guarantee.</b>