WK-8B silicone hear aid
Negotiable /Piece
Min.Order:50 Pieces
Shenzhen Handsome Technology Co., Ltd.
WK-8B WK-8B silicone hear aid
Specification:
Maximum saturation HRTFS 129dB + 4dB.
Full file 50dB + sound gain: 5dB
Harmonic distortion: more than 5%
Frequency response: a 450 ~ 3,500 hz
Equivalent input noise: more than 30 dB
With standard battery: A05 button batteries
Working voltage: D.C. 1.5 V
The working current: more than 4 mA