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Guangzhou YouQi Trading Co., Ltd

China

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●   Mini size sound amplifier  ●   Volume control ●   Battery door as ON/OFF switch Max Sound Output:                ≥120 dB Max Sound Gain:                    ≥30 dB Harmonic Wave Distortion:  f<1000Hz≤10%,f>1000Hz≤4% Frequency Range:                   250～3800 Hz Input Noise:                              ≤50 dB Battery:                                      AG3                 Working Voltage                     dc1.5V                      Working Current:                   ≤4mA    

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