Howard Leight Impact Sport Bolt Digital Electronic Shooting Earmuff, Black. LIGHTNING-FAST ATTACK TIME: Digital compression circuitry offers a. 5 millisecond attack time (250X faster than the classic Impact Sport) to compress any noise that exceeds a safe 82 dB; NRR 22. 5X SOUND AMPLIFICATION: Enhances low level frequencies like range commands, conversation with fellow shooters and animal noises; ideal for indoor & outdoor shooting, and hunting in the field. RECESSED MICROPHONES: Reduces wind noise while providing clear, directional sound; allows the user to easily identify a sound’s origin which is a great benefit to hunters in the field. SLIM DESIGN: Low profile ear cup with rifle cutaways for gun stock clearance allow use in any shooting environment; adjustable, padded headband for comfort; folds for easy storage; water-resistant. INCLUDES: Belt clip, extra ear cup cushions, 2 AAA batteries, AUX input and 3. 5 mm connection cord for MP3s and scanners; 4-hour auto shut-off increases battery life approx. It has a Product # of R-02232. The Product is known as Howard Leight Impact Sport Bolt Electronic Earmuffs. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.