Product Details:
Model Number F-998
Category : Hearing Health Products
Function: Sound Amplifier
Feature : Analogue， Knowles Earphone， Long Ear Hook
Color: Beige
Battery type: A675 (Zinc Air Battery)
Setting Long Ear Hook， Imported Speaker
Size: 5*3.8*1cm Weight :6g
Warranty : 1 Year
Certificate : CE
 
Specifications:
Model: F-998 BTE Hearing Aid
Max Sound Output: 129dB ± 4dB
Max Sound Gain: 45dB ± 5dB
Total Harmonic Distortion: ≤5%
Frequency Range: 450~3500 hz
Equiv Input Noise: ≤30 dB
Battery: A675 (Zinc Air Battery)
Working Voltage 1.5V
Working Current: ≤3 mA
Measurement: 5*3.8*1cm
 
Detailed Product Description:
  1. Built in Knowles earphone from USA， clear and loud voice
  2. Use of Zinc Air battery can work 25-30days
  3. Low power consumption
  4. Volume Control
  5. N-H ，On/off swicth
  6. Maximum sound gain up to 45dB
  7. Acoustic conducting pipe
  8. According to the user’s ear size to cutting the acoustic conducting pip
  9. Different size noise prevention earplug
 
Best hearing aid factory offer F-998
F-998 is a advanced long ear hook BTE hearing aid with knowles earphone， the sound is very clear and noise free， it's comfortable for wearing and almost invisible.
1. Hearing aid factory for 9 years
2. Knowles earphone from USA
3. Loud and clear voice
4. Good for the heavy hearing loss people