Model: V-188 BTE Hearing Aid
Max Sound Output: 127dB ± 4dB
Max Sound Gain: 48dB ± 5dB
Total Harmonic Distortion: f1000Hz≤10%
Frequency Range: 450~3500 hz
Equiv Input Noise: ≤32 dB
Battery: A675 (Zinc Air Battery)
Working Voltage dc1.4V
Working Current: ≤1.5 mA
Color: As the picture shows
Item Size: 3.8 x 0.8 x 4cm
Package Size: 12.0 x 7.5 x 3.5cm
Net Weight: 8g
Built in High sensitivity Knowles Earphone from USA
It can work 30 days with the zinc air battery
Low power consumption
Long Ear Hook
Different size noise prevention earplug
According to the user’s ear size to cutting the acoustic conducting pipe
Strict quality control, test by the hearing aid test machine of Fonix 6500-C, Fonix 7000 and CR6128
1 x V-188 Hearing aid
3 x Earplug (different sizes)
2 x A675 (Zinc Air Battery)
1 x User manual
1 x Box
Adjust volume to the minimum before wearing.
Choose an earplug of slightly bigger size to avoid whistler.
Increase volume gradually to avoid sudden increase in sound.
If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
Keep the ear plug clean
Remove the battery if you don't use it for long time.