G-Form Pro Rugged Knee Guard 14379031 Its acoustic microphone amplifier captures

Its acoustic microphone amplifier captures vibrations and converts them into clear audio signals

power-free with an MPA-2400 trolley speaker that comes with a whopping 18 hours battery life

With up to 166 minutes of battery life

- Compatible with Ohaus Scout-HD balances

G-Form Pro Rugged Knee Guard 14379031 Its acoustic microphone amplifier capturesMore durability. More comfort. More customized fit. Pro Rugged Knee Guards deliver more, because you demand it. So bring on more trails with sharp branches and rocks. Pro Rugged Knee Guards are made with the same legendary, soft, ultra conforming G Form technology that hardens on impact. But now with much, much more.