BCHA100 Hearing Aid

Output power: 3.6mW
Maximum sound output: 130±4 decibels
Sound gain: 30 decibels
Frequency range: 100--4000 Hz
Equivalent input noise: ≤ 28 dB
Harmonic distortion: ≤6%
Continuous working time: ≤15 hours
Battery capacity: 40 mA battery is a rechargeable battery
Working current: ≤3 mA
Yang sound impedance: 110 ohms