Walker’S Game Ear GWP-XSEM XCEL 100 Digital Electronic Muff. Active dynamic sound suppression. 4 listening modes: universal, speech clarity mode, high frequency and power boost. Auto shutoff for 2/4/6 hours. Less holes in muff cups improve NRR. Rubber bumpers on lower cup. Includes manual and 2 AAA batteries. Hear everything in stunning clarity with the Walker’s Game Ear GWP-XSEM XCEL 100 Digital Electronic Muff with Voice Clarity. This electronic muff features advanced digital circuitry and 4 listening modes for various situations. The ergonomic headband design ensures comfort for long listening sessions. Product Dimensions (L x W x H, Weight). 6.06 x 6.88 x 3.68 in. What you’re purchasing.. Thank you for taking a look at our listing. Sound Electronics, a division of Evan Lee Enterprises LLC, United States.