Electronic Earmuffs - Otter Electronic earmuffs offering 32dB SNR protection with advanced sound reproduction technology. Features compact, ergonomic design for comfortable shouldering, volume amplification system, and customizable Velcro sides. Technical specs: H-34dB, M-29dB, L-23dB. Requires 2 AA batteries (not included). Made of ABS material with rubber-coated soft touch finish. Style Number: CF111D004408OTUNI