WALKER'S Firemax Bluetooth Electronic Earmuff Black

["Bluetooth 5.0 Connectivity / Walker's Link app compatible","Digital audio circuit","Rechargeable -2000 mAh (200 hours battery life)","Ultra Fast SAC \u2013 Sound Activated Compression","Auto shut off","Digital soft touch silent button operation","IPX4 rated","4 Frequency modes: Universal, Clear Voice, High Frequency Boost, Power Boost","USB-C charging port w/USB-C Charging cable included","Rubber Tacti-Grip headband","Cooling gel earpads","Full dynamic range HD Speakers for clear balanced sound","Sound dampening rubberized composite housing","3.5mm audio jack","23 NRR"]