颜色分类
Multiple colors, Customized
Product name
Products Hearing aid
Charging Mode
Wireless Charging
Maximum total sound pressure level
≤ 115dB+3dB
Full range sound gain
30dB ± 3dB
Frequency range
≤ 400Hz , ≥ 4700Hz
Colors
White/Black/Customized Colors
Earphone usage time
12-30 Hours
Certificates
ISO9001,ISO13485