สถานที่กำเนิด
Guangdong, China
สี
Black, White, Red and Blue, Beige
Product name
Hot Selling Medical Equipment Hearing Aids
Max Sound Output
≤112dB + 3dB
Harmonics Wave Distortion
≤7%+3%
Frequency Range
400Hz-4500Hz
Battery
Rechargeable Lithium Battery