Description
Important Information
Material: Plastic
Package Size:
100 x 100 x 30 mm
Product information?
Maximum sound output: 125±4dB
Sound gain: ?30dB
Total harmonic distortion: ?10%
Frequency range: 450HZ~4500HZ
Input noise: ?30dB
Voltage: D.C.3.7V
Current: ?2mA
Packaging?
Hearing aid*1