The Ghost Stryke II are electronic, in-ear hearing protection that also enhance useful sounds up to six time their normal level while providing superior noise compression to help protect your hearing. Ghost Stryke II offer a technology bump up in noise cancelling, volume gain and overall experience. They are perfect for tactical, industrial, safety, auto-racing, concerts, events and any other application that requires optimal hearing. They come with interchangeable foam and silicone tips which allow you to choose your level of hearing protection and comfort, up to 30 dB of noise reduction. Ghost Stryke II come in four different colors, giving you options that suit your style. Lynx Digital Audio Technology. High Fidelity Sound. 6x Volume Gain. Volume control and on/off switch. Up to 30 dB of noise reduction. Automatic shutoff of sounds over 85 dB. Background Noise Reduction. Foam and Silicone tips. Red.