• Passive protection;• Bluetooth(R) connectivity to mobile devices;• Adjustable boom microphone with windscreen;• Clear digital sound;• Auto shutoff for 2/4/6 hours;• Ergonomic headband design;• Lab noise reduction rating: 24 dB;• Includes manual and 2 AAA batteries;

Length: 10.05"
Width: 6.40"
Height: 4.40"