This 1-wire surveillance kit with inline Push-to-Talk (PTT) and 2.5mm audio accessory port is a bone conduction earpiece that allows the user to hear (Rx) and transmit (Tx) through a single earpiece without the need to speak directly into a microphone. A great solution for noisy environments such as concerts, sporting events, nightclubs and festivals.

Features:
• Includes 2 Push-to-Talk (PTT) options: a remote finger PTT (FPTT-1) and an inline cable switch.
• Bone conduction earpiece for right or left ear use
• Coiled cable for greater flexibility
• 2.5mm Jack
• Three year manufacturer's warranty

Fits: F30/40 Series, F3061/F4061 Series, F31/41 Series, F3161/F4161 Series, F50/60/70/80 Series, F51/61, M87/88