Compact folding design is convenient for storage. Active monitoring and auto-close amplification when the ambient sound reaches 82 dB. In event of a very unlikely slight delay, your patience would be highly appreciated.
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With auto power off function (when no operation after 4 hours) to extend battery life. Compact folding design is convenient for storage. Included component: Impact Sport earmuffs, 3.5 audio connections.
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Arm Next Professional Noise Reduction Headphones. Professional Headphones ×1. Connectivity: 3.5mm audio input.
eBay
Noise Reduction -- Our ear protection for shooting achieve active noise reduction through chip processing. The ear muffs for shooting have two high-gain microphones that actively pick up sound and will actively reduce noise within 0.01 seconds when ambient noise exceeds 82dB.
eBay
With auto power off function (when no operation after 4 hours) to extend battery life. Compact folding design is convenient for storage. Included component: Impact Sport earmuffs, 3.5 audio connections.
eBay
With auto power off function (when no operation after 4 hours) to extend battery life. Compact folding design is convenient for storage. Party Supplies. OHSEN WATCH ( SPORT WATCH). Included component: Impact Sport earmuffs, 3.5 audio connections.
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eBay
It has an auto‑power‑off function (after 4 hours of inactivity) to extend battery life, with a long battery capacity allowing playback for about 350 hours. • Type: Noise‑proof earmuff. 1 × Noise‑proof earmuff.
eBay