Moondog Industries checks out the MPOW HP102A Bluetooth Hearing Protector Earmuffs. MPOW is a familiary brand for those who shop at Amazon for bluetooth devices... "A review of MPOW HP102A Bluetooth Hearing Protector Earmuffs. They feature a Noise Reduction Rating of 29dB which is higher than the competing 3M WorkTunes. But they do not offer normal sound pass-through and enhancement like electronic shooting earmuffs."