JTS M20 Electronic Earplugs Hearing Protection R6 you can consult a professional

you can consult a professional and read the instructions carefully or contact the manufacturer for more details

The EPS Carry RD 2 features 2 MOA Red Dot

IP67 water resistant rating

All these items have the same manufacturer warranty as the new items from the manufacturer

2 MOA Red Dot

JTS M20 Electronic Earplugs Hearing Protection R6 you can consult a professionalM20 Electronic Earplug is a more convenient and excellent hearing protection product. It adopts in ear electronic hearing protection, which can help reduce continuous noise and impulse noise, while suppressing dangerous noises higher than 82 dB, and improve perception and communication in the noisy environments. There are two modes of indoor and outdoor to adjust the ambientsound. It is suitable for use in high noise environments such as shooting