Authentic Sound : Premium construction delivers true to source sound transmission, minimizing high ranges distortions common in standard earphone driver. Featherlight Yet Resilient: ABS composite reduces overall weight while enhancing structural integrity, avoiding issues associated with metallic components. Specifically for windstorm II headphones assures excellent alignment without gaps with excellent Earth Conscious Construction: Made with recyclable ABS blend to minimize environmental effect without compromising functionality. Quick Assembly Process: Requires fundamental technical skills for quick installation, enabling immediate sound improvement.