Walker’s XCEL 100 Digital Electronic Shooting Ear Muff with Voice Clarity. The XCEL 100 Electronic Muff has Advanced Digital Circuitry that provides fast Active Dynamic Sound Suppression and Wind Noise Reduction. Controls have been moved to the headband to reduce cavity space in the ear cups, improving Noise Reduction. Hi Gain Omni Directional Mics lets you hear everything around you, 4 listening modes (Universal, Speech Clarity, Hi frequency, or Power Boost). Powered by 2 (AAA) batteries -included, with Auto shut off 2/4/6 hours, and low battery warning. New ergonomic head band design and Rubber bumpers on lower cup provide comfort for prolonged use. New Walker’s XCEL Muff Series also includes four listening modes: Universal, Speech Clarity Mode, Hi Frequency, and Power Boost. New ergonomic headband design for maximum comfort every time. Hi Gain Omni Directional Mics with Active Dynamic Sound Suppression and Wind Noise Reduction. Controls moved to headband resulting in less holes in ear cups and improving NRR. Powered by 2 (AAA) batteries -included. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. Satisfied with our service. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store.