GREEN DEVIL specializes in professional safety equipment, including industrial safety helmets, hard hats, and Bluetooth hearing protection earmuffs.
GREEN DEVIL is a recognized manufacturer of personal protective equipment designed for demanding work environments. Their product lineup features high-quality protective gear such as the Matrix and Mervex series industrial safety helmets, as well as carbon fiber and fiberglass full brim hard hats. In addition to robust head protection, GREEN DEVIL offers advanced hearing protection solutions, including the Shield LD Bluetooth hearing protection earmuffs. These earmuffs are equipped with intelligent active listening technology and noise-canceling boom microphones, ensuring maximum safety, situational awareness, and clear communication on the job site.
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Power on the headphones until you hear 'PAIRING'. Open the Bluetooth settings on your device, search for 'SHIELD LD', and select it to pair and connect. You will hear 'CONNECTED' when successful.
Plug the included cable into the designated charging port. The LED indicator on the left side will show solid red while charging and turn solid green when fully charged. A full charge takes approximately 2 hours.
If you experience a system halt or glitch, you can hard reset the device by pressing and holding the power button for 9 seconds.
The intelligent active listening function uses a stepless environmental noise volume regulation to allow you to hear ambient noise while keeping your hearing protected. Rotate the volume knob clockwise to increase the ambient volume. The system will automatically switch off the gain when ambient noise levels reach 82 dB.