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V99 Hearing Aid

৳ 3,500.00
V99 Hearing Aid Features: 1.N-H Switch 2.On/Off switch 3.Volume Control 4.Aluminium Alloy cover 5.Without grating sound 6.For people with severe hearing loss 7.The scope of application of gas conduction hearing disorders 8.Material: polycarbonate • Specification: • Max sound output: ≥130±5 dB • Sound Gain: ≥50dB • Total Harmonic Wave Distortion:≤5% • Input Noise: ≤30 dB • Frequency Range: 300~4000 hz • Voltage: 1.5V • Current: ≤4 mA • Size:3.9 x5.6x1.5 cm • Quantity: 1 set