3 Review(s)

Product Details: Specification: Mini BTE Hearing aid: Max Saturated Sound Pressure: 130dB+5dB Sound Gain: ?50dB Total Harmonic Wave Distortion: ? 5% Frequency response Range: 300--4000 Hz Input Noise: ? 30 dB Power Voltage :1.5 V Working Current : ?4mA Battery Type: 1 x AG13 button cell battery (included) Color: As the picture shows Package Size: 9.5 x 7 x 3cm Quantity: 1 Set