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