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China
Persona de contacto Ms. Dora
Xiaolan town, 760, zhongshan
Max Sound Output: **0±5 dB Max Sound Gain: ≥*0 dB Harmonic Wave Distortion: ≤5% Frequency Range: **0~***0 hz Input Noise: ≤*0 dB Battery: 5# dry battery Max Working Hours with Standard Battery: *0 h Working Voltage: ***** 1.5V Working Current: ≤4 mA Measurement: 6.8×4.5×2.0 cm Net Weight: *8 g (without Battery) Special Function Key: N-H Key
