Pro Tech Technologies, Inc. is an Innovator in the Development, Design, and Manufacturing of Active Noise Reduction (ANR) Headphones and Safety Earmuffs.
- On/off switch and power indicator
- Stereo input 3.5 mm audio jack
- Up to 65 hours of use on a single AA battery
- Adjustable, comfort-fit headband
- Resistant to water and moisture, contaminants,
- mechanical shock and vibration