AST E33 Portable Wireless Hearing Aids USB Rechargeable 2-Channel Sound Amplifier for the Elderly Deafness

AST E33 Portable Wireless Hearing Aids USB Rechargeable 2-Channel Sound Amplifier for the Elderly Deafness
Bakeey
sku: 1808884
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$85.65
Shipping from: China
   Description
Highlights 2 Fully DigitalProgrammable Channels Fully Automatic Wide Dynamic Range Compression WDRC Linear Amplification to WDRC Adjustable Hyperfine 10 band Sound Control Acoustic Feedback Suppression Open DSP Platform and Optimum Target Gain Disp Scientific Algorithm Fitting HI FI Signal Processing Technology Two Independent Memories external VC oprional Specification BrandASTModelE33Adaptation rangeMild to severeSaturated sound output111±2dBHigh frequency saturation output104±3dBVoice gain38±4dBHigh Frequency Voice gain32±4dBHarmonic distortion≤6 Frequency rangeF1≤200Hz F2≥6500HzInput noise≤30dBWorking current≤2 5mACharging MethodUSBPackage Included1 Hearing Aids1 USB Cable3 Opening Earplugs4 Tipszips1 Brush
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