Digital Hearing Aid 838

Digital hearing aid 838
Specification:
Digital circuitry
Mini BTE design
Air conduction
Left and right ear adjustability
Digital Volume control
High or low tone control
Product size: 55x35x10mm
Weight: 4 g
Max. saturation sound pressure level(SSPL): 130dB±4dB
Full on Acoustic Gain: ≥45dB ±5dB
Total Harmonic F>1000H ≤15%
Distortion(THD) F<1000H ≤10%
Frequency Response: 450Hz～3800Hz
Equivalent Input Noise: ≤32 dB
Battery: A13(Zinc-Air)
Battery Current Drain: 5mA
Estimated Battery Life: ≥50 Hours
Rated Voltage: D.C 1.4V
Special Function Key: +' / '-'