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F-138 声音放大器跨境专供 hearing aids 英文原装助听器(两只装)
| pair (two)(对装（两只）) | USD $8.17 | 34033 piece available |
|
| single pack(单只装) | USD $4.36 | 3209 piece available |
|
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Features:
Max Sound Output: 129dB ± 4dB
Max Sound Gain: 50dB ± 5dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 450~3500 hz
Input Noise: ≤30 dB
Battery: AG13
Working Voltage dc1.5V
Working Current: ≤4mA
Accesory:
Main Unit x1
Earplugs x3
AG13 battery X2
User manual x1
Package:
Giftbox weight 68g
color box size 10*8*3.5cm
Outer box size 52*45*33.5cm
PCS/CTN: 250pcs
G.W. 18kgs
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