The Ghost Stryke I 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. They are perfect for tactical, industrial, safety, auto-racing, concerts, events and any other application that requires optimal hearing. Ghost Stryke I comes 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 come in four different colors, giving you options that suit your style. Lynx Digital Audio Technology. 6x Volume Gain. Volume control and on/off switch. Up to 30 dB of noise reduction. Digitally block out noises over 85 dB. Foam and Silicone tips. Tan.