M20T NRR26dB Electronic Shooting Ear Protection – Bluetooth5.3, Hearing Protection Ear Plugs with Ambient Sound Amplification for Shooting Range, Gun Range, and Hunting. Package Dimensions? 5 x 4.72 x 2.32 inches; 8.64 ounces. Item model number? M20T SHOCKWAVE. Department? Unisex-adult. Batteries? 3 Lithium Ion batteries required. Date First Available? December 4, 2023. Country of Origin? China. And we will work with you to resolve it to your satisfaction.