مكان المنشأ
Guangdong, China
Product name
16 channel Rechargeable Digital hearing aids
Battery
Rechargeable Li-battery
Max Sound Output
≤109dB±4dB
Average sound gain
25dB±5dB
Frequency Range
400-4000Hz
Equivalent input noise
≤25dB+3dB
Total har-monic wave distortion
≤ 7%
Charging time
2.5 h charging, used for 10-20 h