MSA Sordin Supreme Pro Headset - Black Category_Best4Systems/Mitel 6 line keys

6 line keys

Battery life up to 20 hours

Connect to wideband IP hardphones using the A10 Wideband Adapter

volume and mute

Soundguard DIGITAL: protects against sudden high sound levels and prevents average noise level from exceeding 85dBA

MSA Sordin Supreme Pro Headset - Black Category_Best4Systems/Mitel 6 line keysMicrophone positioning provides excellent stereo sound reproduction of ambient sounds Over 600 hours of battery life from 2 x AAA batteries Battery Save and Low battery warning system The sound is limited to 82 dB(A) equivalent sound level AUX input for connecting external audio sources, such as a hunting radios or dog tracker. Lead with 3. 5 mm mono jack plug included. Waterproof battery compartment. Flexible and shape stable headband. NRR rating 18dB