Sena Cast Mesh Comms Hard Hat Mount EarmuffSena Cast Mesh Comms Hard Hat Mount Earmuff Built on Mesh Only communication technology, Cast ensures seamless and reliable user connectivity. With an additional hour of talk time compared to previous models, it offers extended usage for uninterrupted conversations. Cast stands out with its durability and improved construction, providing a durable, long lasting device. Moreover, its innovative design incorporates outer speakers that capture ambient