704 Digital Hearing Aid audifonos High Power Sound Amplifier Enhancer Wireless Hearing aids For Deafness/Elderly For Severe Loss
Product features:
? Intelligent ambient noise suppression (12dB)
? Intelligent volume learning
? Intelligent voice spectrum analysis
? Adaptive feedback management system
? Wind noise suppression (Level 3)
? Acoustic comfort optimizer (Level 3)
? Full of digital circuits
? Small BTE projects
? Air conduction
? Adjustable left and right ears
? Digital volume control
? High and low pitch controls
? Zinc-air A13 batteries
? Battery current :< 1.8mA
Product information:
Max-SSPL 90:127.8dB SPL
HFA-SSPL90:119.1 dB SPL
Peak Gain:41.4dB SPL
HFA-Full On Gain:32.4dB SPL
Frequency Range:450-3500Hz
THD at:500Hz%
800Hz:0.6%
1600Hz:0.1%
EQ. Input Noise Level:29.2dB
Battery Current Drain:5mA
Rated Voltage:D.C 1.4V
Product list:
1.white Box
2.Manual
3.Hearing Aid
5.Earplugs*3
6.Cleaning Brush
7.Battery(Size 13)
Function features:
? Auto-save program and volume control location
? Low battery alarm
? Pre-configured tone indicators
? Delay in switching on the power
