Eavy-duty noice cancelling headset with PTT button
1. Comfortable sealed earmuffs, effectively suppress ambient noise;
2. Ajustable headband, so the pressure evenly around the ear;
3. Up to 25dB noise-cancelling.
Application: for users engaged in fire fighting, rescue, mining and chemical engineering.
It is designed for those who need to wear helmets and masks.
Applicable to: PD780, PT580H