Genuine Peltor HTB79A02 TacticalPro Communication Headset designed for hazardous noise environments. This headset provides effective hearing protection with a 26 dB Noise Reduction Rating (NRR). It features an ambient listening function, allowing users to hear important sounds and communicate with colleagues without removing the headset. The unit includes a 3.5mm listen-only stereo input for connecting external devices such as MP3 players or two-way radios. Powered by 2 AA batteries, it offers approximately 1000 hours of operation. Ideal for industrial and machinery operators requiring both hearing protection and communication capabilities.