The Vokkero PIO 511 Headset combines a professional-grade generic headset with a Push-to-Talk (PTT) button for seamless communication. The PTT feature mutes the microphone while listening and allows audio transmission when pressed, making it ideal for referees, 4th officials, or linesmen. Supplied with a generic earphone kit, it includes left and right earpieces and three silicone inserts for a secure and comfortable fit. Designed for long-lasting comfort, it offers total freedom with no head pressure or discomfort. Delivering crystal-clear sound and excellent speech intelligibility, the Vokkero PIO 511 is the perfect choice for professional communication in demanding environments.