Comes with audio cable to plug in tor MP3 player, smart phone, or other personal listening device;Volume management technology manages output volume from portable audio devices to 82 dBA;Noise reduction rating of 25 provides protection from most low and medium levels of hazardous noise;Superior sound quality, includes one 3.5-millimeter input cable;No batteries necessary, control volume and power with personal listening device. Replaceable ear cushions.

• Howard Leight 1030110 Sync Noise-Blocking Stereo Earmuff
• Black

Howard Leight 1030110 Sync Noise-Blocking Stereo EarmuffHoward Leight