Compare ISOtunes Hearing Protection Options

instructions, conversations, machines, traffic. For comfort and battery life, the Link 2.0 is a hard one to beat with 50 hours of run time. Now, if you need something that's quick in and out, this is the one to pick. But if you're in a situation where you got to be able to easily talk to people and listen to engine sounds, the FreeAware is the one to to choose.