The Cyclops Razor-X incorporates a neck worn device featuring retractable digital ear buds that provide incredible comfort for all day shooting. The "behind the neck" design allows for zero interference with you or your weapon, allowing you to focus on your target. These remarkable patent-pending buds allow the user to be in loud environments without damaging their hearing, providing an impressive 31DB of noise reduction. The hi gain omni-directional microphones provide clear sound enhancement for enjoyable conversations on the range or to hear firearm instructors' directions while training. The Razor-X HD digital speakers provide a wide range audio quality that enhances the users experience. The kit includes two different styles of noise reducing foam tips in a variety of sizes to ensure a proper fit for maximum noise reduction. The Razor-X is equipped with an auto-shut off (low power mode) after 4 to 6 hours. The timer will reset and the unit will wake up after any button is pressed. An AC wall adapter with USB Port and a one-meter Micro USB cord is provided for convenient charging Retractable Digital Ear buds 31dB Noise Reduction Rating Powered by Rechargeable LIPO battery 250mAH battery for 10 hours of use HD speakers in the ear buds for wide range audio quality Auto-Shut Off (low power mode) after 4 to 6 hours -Timer resets and unit wakes after any button is pressed Integrated Micro USB port Sound Activated Compression (SAC)