Specifications:

Model: V-188 BTE Hearing Aid

Certification: CE

Max Sound Output: 127dB ± 4dB

Max Sound Gain: 48dB ± 5dB

Total Harmonic Distortion: f<1000Hz≤15%，f>1000Hz≤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                          

Features:

Built in High sensitivity Knowles Earphone from USA

N-H switch

ON/OFF switch

Volume Control

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

Package included:

1 x V-188 Hearing aid

3 x Earplug (different sizes)

2 x A675 (Zinc Air Battery)

1 x User manual

1 x Box

Note:

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.