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Item TypeEar Care
Oththe Loudest Output120 + 5 Db
Voice> 50 Db Gain
Total Harmonic Distortion5% Or Less
Input Noise30 Db Or Less
Working VoltageD.c. 3 V
Working Current4 Or Less Ma
Battery1 X 13 / A675
Attachment4 X 13 / A675 Batteries
Product performance and parameters:
A.Max.saturater volume output:120±5 dB.
B.Max voice gain:50±5 dB