🎧 Upgraded Bluetooth Noise Reduction Ear Muffs – NRR 29dB / SNR 36dB. 🔇Professional Noise Reduction – NRR 29dB / SNR 36dB. Noise Reduction: NRR 29dB / SNR 36dB. 🔊Dual Function: Ear Muffs + Bluetooth Headphones.
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