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:
Built in Knowles earphone from USA， clear and loud voice
Use of Zinc Air battery can work 25-30days
Low power consumption
Volume Control
N-H， On/off swicth
Maximum sound gain up to 45dB
Acoustic conducting pipe
According to the user's ear size to cutting the acoustic conducting pip
Different size noise prevention earplug