Product_description: ["<P>The CLARUS PRO is a unique noise cancelling, hearing protection headset system designed to meet the needs of today's active headset user!</P><P> SILYNX leveraged its combat proven technologies to defy the convention that electronic hearing protection must be big and bulky or small and fragile!</P><P> Clarus pro is low-profile and environmentally ruggedized to withstand dirt, mud, water, shock, vibration, and any element that would overcome other headsets.</P><P> provides active hearing protection (NRR 25), hear-thru capability for situational awareness, and cellphone/mobile audio connectivity.</P><P> Features</P><P> voice prompt for low battery warning (battery life = 100 hours).</P><P> accessories include: polymer storage case, smartphone adapter cable, ear tips, ear retainers, AAA battery, user manual"] (Page 1)