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analog hearing aid V-99

analog hearing aid V-99

Place of Origin : China
Brand Name : HUGE OEM ODM
Certification : CE RoHS
Model Number : V-99
MOQ : 100pcs
Price : 10-20USD/PCS
Packaging Details : carton box
Delivery Time : 15days
Payment Terms : TT paypay western union
Supply Ability : 10000pcs/weeks
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Max Sound Output: 129dB ± 4dB
Max Sound Gain: 55dB ± 5dB
Total Harmonic Distortion: ≤5%
Frequency Range: 450~3500 hz
Equiv Input Noise: ≤30 dB
Working Voltage D. C. 1.5V
Working Current: ≤4 mA
Measurement: 6.6*4.3*1.6cm
*Main Unit Size 6.1*4.1*1.6 cm,NW:46g
*Use 7# Battery *High quality, Aluminium Alloy cover,super powerful,8 levers
*Without grating sound
*N-H Switch
*On/Off switch
*Volume Control

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