SPECS: Experience high quality stereo sound while confidently protecting your hearing with 23 NRR (Noise Reduction Rating) COMFORTABLE: Featuring an adjustable headband and padded ear cups, you’ll find a custom fit to ensure proper noise cancellation and hearing protection. A slender, low profile design provides a closer cheek weld, allowing for more accurate shooting EASE OF USE: Runs on 2 AAA batteries (included) and is compatible with Caldwell's rechargeable battery pack (sold seperately) FEATURES: Dual microphones in each ear provide directional clarity, amplifying sounds to the ideal volume with push button controls CONVENIENT: With a compact design, Caldwell folding muffs easily fit in your range bag GUARANTEED: This product is covered by a limited lifetime warranty provided by Caldwell. Please contact Caldwell customer service for assistance