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Hearing Aids S-139

Features: Medium and High Power, High-performance Heads, Clear Sound, Little Distortion.Technical Parameters: * Max Out : 130 ± 4dB * Max Gain : 48 ± 5dB * Harmonic Dist: ≤ 5% * Frequency Range : 450Hz ~ 3500Hz * Equivalent Input Noise : ≤ 32 dB * Standard Battery: AG13 or A5 button cell * Voltage: 1.5V * Current: ≤ 3mA Specification: Product Weight: 8g Product Size: 5.3*4.4*1.0cm Packing details: Paper+Plastic box Packing Size: 12*8.5*3.2cm Q.T.Y/Carton: 120PCS Carton Size: 52.5*31*39cm GW: 11Kg NW: 9Kg

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