Cheap BTE Hearing Amplifier Portable Analog Hearing Aid Best Sound Amplifier Audifonos para sordos

Product Overview

Description

Pocket Hearing aid

Max Sound Output: 129±4 dB

Max Sound Gain: 58dB ± 5dB

Harmonic Wave Distortion: f<1000Hz≤15%,f>1000Hz≤10%

Frequency Range: 450~3500hz

Input Noise: ≤30 dB

Battery: 1 x AA battery      (Without Battery)
 Working Voltage: dc1.5V                     

Working Current: ≤4mA      

Color: As the picture shows

Item Size: 6.1 x 4.1 x 1.6cm                                                                                                                             

Package Size: 18 x 9.8 x 3.8cm                                                                                                                        

Net Weight: 60g