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• Output.OSPL90 Max.: <106dB+3dB
• OSPL90 HFA Avg: 103dB±4dB
• FOG50 HFA Average: 33±5dB
• EQ Input Noise: ≤32dB
• Frequency Range: 300Hz-5000Hz
• Working Current: ≤10mA
• Total Harmonic Distortion: ≤5%
• Bluetooth Version: V5.2
• Rated Input: 5V/500mA
• Weight: 0.2 oz
• Hearing amplifier
• Charging cable