Bundle Includes: Walkers Razor Slim Electronic Muff (Kryptek Camo), Walkers Razor Walkie Talkie Attachment (Olive Drab Green), Sport Glasses (Clear), and Microfiber Cleaning Cloth Low Profile: These 'Razor' thin muffs were engineered from the ground up with the goal of having the lowest possible profile without compromising the hearing protection and amplification properties of the muff Volume Control: The Walkers Razor Slim Electronic Muffs feature an on and off and volume knob with raised ridges so you can adjust even while wearing gloves Comfort: The Razor series feature Walkers new comfort fit headband for all day shooting Audio Input: The electronic muff features a 3.5mm audio input jack for use with iPods, MP3 players and handheld radios