PLUGFONES LIBERATE™ 2.0. Truck drivers are raving about the Liberate 2.0. The interchangeable foam and silicone earplugs block out wind and truck noise so all you hear is your music. With the ergonomic earplugs fitting securely inside your ear, you are able to keep your music at a much lower level while still allowing you to hear sirens and other traffic noise.
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