Rechargeable electronic earplugs help reduce loud noise while amplifying low-level sounds Intuitive one-button operation turns unit on and off and selects high or normal volume setting Lithium-Ion battery provides up to 16 hours of continuous operation between charges Portable charging case powered by 3 AA alkaline batteries or USB (Micro B) port

Developed specifically for hunters and marksmen* Smooth active-volume function, which eliminates abrupt sound cut-off * Interchangable shells makes it easy to change colour* Connects to hunting radio* Equipped with automatic shut-off function* Collapsible