Product information:
 
 Material: ABS
 
 Specifications: skin color, black
 
 Model: GM-900F
 Maximum saturation OSPL90 (DB): ≤115+3
 
 High frequency average value 0SPL90 (DB): 106±4
 
 Full range sound gain (high frequency average value): 32±5
 Frequency response range: ≥300HZ~4500H
 
 Total harmonic distortion: ≤7%+3%
 
 Equivalent input noise level: ≤29DB+3DB
 Package:
 
 Plastic hearing aid x1
 
 
 
 
 
 
 
 
 
															






 



 
															









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