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: GP1280, GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, HT1250, HT1250LS, HT1550, HT1550XLS, HT750, MTP700, MTX4500/4550, MTX8250, MTX8250LS, MTX850, MTX850LS, MTX9250, MTX950, PR860, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760, PTX780