Mini In-ear  Volume Amplifier for deaf
Mini In-ear  Volume Amplifier for deaf

Mini In-ear Volume Amplifier for deaf

Regular price $19.65

Item Type: Ear Care
Material: Silicone
Size: 20 X 20 X 20 mm
Max Saturated Sound Pressure: 130dB+5dB
Sound gain: : ≥ 50db
Harmonic Wave Distortion: ≤ 5%
Frequency response Range: 300--- 4000 Hz
Input Noise: ≤ 30 dB
Power Voltage : 1.5 V
Working Current : ≤4mA
Battery Type: : AG13 button cell battery (included)