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Medical equipment supplies box hearing aid for the elderly mk-jh232
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Please read the product manual carefully or purchase and use it under the guidance of the medical staff
Saturation sound pressure: 129dB + 4dB
Full range sound gain: 50dB + 5dB
Harmonic distortion: less than 5%
Frequency response: 450~3500 hz
Equivalent input noise: less than or equal to 30 dB
Standard battery: AG13 button battery
Working voltage: D.C. 1.5v
Operating current: less than or equal to 4 mA
Product size: 5.3x4.4x1.0 cm
Net weight: 9 g
Special file: none
