OPSMEN was founded in 2016 from a R&D department with over 10 years of experience in the development. OPSMEN has excellent optics and acoustics laboratory and automated production line in China, product including our best-in-class electronic hearing protection gear, earmuffs, ear plugs and Combat Communication System, weapon-lights and tactical illumination system. The company's comprehensive line of products is used by workers around the world in a broad range of markets, including the Law enforcement unit, military, sport shooting, hunting, the fire service, the construction industry and mining. We anticipate and respond quickly to issues, opportunities, and our customers needs. Put simply, We aim to keep our customers happy by listening closely to their needs, delivering high-quality products, and backing them with support services unmatched in the industry. It is our foundational value. Whether we are testing equipment or advising a customer on how to manage a hazardous situation, we conduct ourselves with unwavering honesty, professionalism, and the highest levels of ethical behavior. Without integrity, nothing else matters at OPSMEN.

MODEL	C5	C7	M300A	M300T	M31	M32	M31 Plus	M32 Plus	M31X	M32X
Battery	Passive		2x AAA
Runtime	NA		60hrs
Standby	NA		350hrs						400hrs
NRR	26	32	22
Sensors	NA		2
Comms	NA		NA	Bluetooth	NA	S10	NA	S10D	NA	S09
Ports	NA		NA	Bluetooth	3.5mm	NATO U174	3.5mm	NATO U174	3.5mm	NATO U174
Water proof	NA		IPX-5						IP67
EMI/RFI	NA		Standard						MIL-STD-416
Certs	ANSI/CE		ANSI/CE						ANSI/CE/MIL-STD-810G
Mount	NA						Quick Change Headband & Helmet Rail Mount
Cable	NA		Silicone				Kevlar		Silicone
Dual Radio PTT	NA						S27	NA
Ear Pads	Foam			Gel	Foam		Gel		Foam

3.5mm Audio Cable with Mic for Opsmen M31/M31H