Walkers Ultimate Power 50 dB Ear Muffs 25 dB Black. With a sound dampening composite housing two hi gain omni-directional microphones and independent volume control and frequency tuning the Walkers Ultimate Power Muff has everything you'll need packed in a compact and lightweight design. For an amazing way to ensure the health of your ears choose the Walker's 24dB Ultimate Power Muff. Specifications for Walkers Ultimate Power 50 dB Ear Muffs: Manufacturer: Walkers Color: Black NRR: 25 dB Quantity: 1 Size: One Size Battery Type: AAA Battery Quantity: 2 Included Accessories: Standard Condition: New Age Group: Adults Design: Hot And Available Features of Walkers Ultimate Power 50 dB Ear Muffs: Two Hi Gain Omni Directional Microphones; 9x Hearing Enhancement; Power - 50db; AFT (Adjustable Frequency Tuning); 2 Independent Volume Controls; Sound Activated Compression (Sac); Compact Folding Design; Anti-microbial Ear Pads Package Contents: Walkers Ultimate Power 50 dB Ear Muffs (x2) Energizer AAA Batteries Walkers GWP-XPMB: Ultimate Power 50 dB Ear Muffs 25 dB Black