Intelligent Digital Hearing Aid Rechargeable Sound Amplifiers Wireless Ear Aids For The Elderly Adjustable Hearing Aid

Max saturation sound pressure level(SSPL):≤110dB HFA-SSPL90: 106dB Peak Gain :35dB HFA Full-on Gain :30dB Frequency range: 200Hz~5000Hz Total Harmonic Distortion(THD): F500HZ 3% F800H 3% F1600Hz 1% Working current:1.1mA Material: Plastic Provide Lower Volume Better for Light and moderate Hearing loss User Intelligent Noise Reduction System , Detect and Recognize the Noise Wave, Change the Gain of the Channel Where the Noise is Located, Make Normal Speed More Clearly Ultra-Low Machine Itself Background Noise , and Ultralight Weight Body You Don't Even Feel Wearing It Trimmer VC : Adjust Volume Control to Adaptive Different Enviroments ,6 Earplugs -- 2 Type and Full 3 Size Eraplugs Make it More Fit and Comfortable to Ear Canal Comfort Threshold Control ; Automatic Gain Control-Output for Hearing Protection, No Need to Suffer from Sudden Loud Noise Anymore Max saturation sound pressure level(SSPL):≤110dB HFA-SSPL90: 106dB Peak Gain :35dB HFA Full-on Gain :30dB Frequency range: 200Hz~5000H z Total Harmonic Distortion(THD): F500HZ 3% F800H 3% F1600Hz 1% Working current:1.1mA Material: Plastic