best blue tooth hearing aids

Specifications

high blue tooth quality hearing aids
1.Easy adjusting for elder and younger
2.Speech enhancement
3,convenience

Behind The Ear (BTE)ZD-102

Technique data                                                                  Max SSPL(±4dB)              

Full-on-gain(FOG) (±5dB)                                                    N: 34                                         

                                                                                          H: 30        

The scope of frequency (Hz)                                              100-3000       

Equivalent input noise level(±dB)                                      ≤25        

Harmonic distortion(%)                                                       ≤6          

Power supply electric voltage(V)                                       3.6              

The sum settles electric current(mA)                                  2.5

Battery model number:Lithium battery

 

The main characteristics

Feature:          It is the economical

1.Application scope: It is the middle frequency,It is fit for middle audition losing. 

2.Bluetooth appearance, fashion, beautiful 

3.Li-ion battery-powered, rechargeable, no need to replace the battery.

The frequency can adjust Increase the benefit can adjust