Volume Control: The Walkers Razor Slim Electronic Muffs feature an on/off and volume knob with raised ridges so you can adjust even while wearing gloves Low Profie: 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 Bundle Includes: Walkers Razor Slim Electronic Muff (Light Teal), Walker's Razor Tactical/Hunting Walkie Talkie Attachment, Walkers Full Coverage Sport Shooting Glasses (Clear), and Microfiber Cleaning Cloth