这里是标题一h1占位文字

Digital Hearing Aid Frequency response range: 200~4000HZ

Classification :

Product Name	Digital Hearing Aid
Max Sound Output	125dB±3dB
Max Sound Gain	38dB±5dB
Input Noise level	17dB±3dB
Total harmonical distortion	<=5%
Frequency response range	200~4000HZ
Rated Working current	1.7mA
Rated working voltage	3.7V
Battery capacity	50mAh
Equipment security type	internal power supply B type
Packing List	Hearing aid, storage box, earplug, charging cable, manual
Gross weight	208g
package size	15.5cm4.1cm12cm