PELTOR Protac III Headband Headset Black. This hearing protector by PELTOR increases the ability to communicate with nearby colleagues as well as hear warning signals approaching vehicles and sounds in machines and processes. The PELTOR Protac III Headband Headset is voice-activated and features a menu driven user interface for ease of use and adjusting settings. For optimum hearing protection the PELTOR Protac III Headband Headset provides a comfortable fit with a robust protection profile that ensures effective communication at all times. Specifications for PELTOR Protac III Headband Headset: Manufacturer: PELTOR Color: Black Features of PELTOR Protac III Headband Headset 35 mm listen-only stereo input for connection to external devices (cell phone two-way radio Ipod) Auto power off the headset will turn off after 4 hrs of non-use to save battery Available in both in headband and hard hat attached versions (black) Environmental microphones for level-dependent hearing protection and ambient listening Low-battery warning to inform you when to change batteries Occupational use only Professional-Quality Hearing Protection (26dB NRR) To reduce corrosion caused by sweat and moisture the electronics are located in a separate compartment of the cup Voice guided menu system for ease of use and adjusting settings Package Contents: PELTOR Protac III Headband Headset PELTOR MT13H221A: Protac III Headband Headset Black