Technical Parameters:
Max Out: 129dB ± 4dB
Max Gain:60dB ± 5dB
Harmonic Distortion:≤5%
Frequency Range:250Hz~3800Hz
Equvi Input Noise:≤30dB
Stanard battery:AA batteries,No 5
Voltage:D.C. 1.5V
Current:≤4mAFeatures:
1.Medium power suitable for moderate to severe hearing weak people.
2.Stable quality,simple operation,easy to use
3.Low distortion,low noise
4.take phone file functionSpecification:
H--High sound clear
T--Answer the phone
N--normal frequency
0-9: Small-Lound
ON-turn on
OFF-turn off
Product Weight:29g
Product Size:6.75*4.35*1.9cm
Package:Paper+Plastic Box
Package Size:12*8.6*3.2cm
Carton Quantity:120PCS
Carton Size:52.5*31*39cm
GW:12Kg
NW:10Kg