TRACKR Electronic Earmuffs give a compact design for comfort and size for all environments where you need to hear and protect your hearing at the same time. Clear, smooth sound enhancement lets you hear what you want while protecting your hearing from damaging loud sounds. Perfect for Outdoor and Indoor Activities of All Types, Stadium Events, Tactical, Auto Racing, Shooting, Hunting, Industrial, Construction and more. Features : Full Dynamic Range, High-fidelity Speakers for Clear Balanced Sound Low Noise / Frequency Tuned for Natural Sound Clarity Comfortable Headband with Metal Wire Frame 2 AAA Batteries Included