Hearing Aid Machine V-99

Hearing Aid Machine
Model No-V-99

Features:
1.N-H Switch
2.On/Off switch
3.Volume Control
4.Aluminium Alloy cover
5.Without grating sound
6.For people with severe hearing loss
7.The scope of application of gas conduction hearing disorders
8. This hearing aid is packaged in a nice retail box which is perfect for retailling.

Specification:
Max sound output: ≥129±4 dB
Max Sound Gain: 58dB ± 5dB
Harmonic Wave Distortion: f<1000Hz≤15%, f>1000Hz≤10%
Input Noise: ≤30 dB
Frequency Range: 450~3500 hz
Voltage: 1.5V
Current: ≤5 mA
Size: 6.1×4.1×1.6 cm
Net Weight: About 46g
Bettery: 1 AAA Battery(not included)

Package Included:
1 x V-99 Hearing Aid
1 x Earphone
3 x Earplug
1 x English User Manual