Quantity(Piece/Pieces) | 1 ~ 1000 | >1000 |
Est. Time(days) | 7 | To be negotiated |
If you finish the payment today, your order will ship out within the delivery date.
Description
A-155 is a rechargeable hearing aid with attractive design appearance looks like a Bluetooth eraphone,nobody knows it's a hearing aid; easy for carry and can be used without earhook or with earhook.
Specifications
Bluetooth Pocket Hearing aid
Max Sound Output: 127+/-4 dB
Max Sound Gain: 48dB +/-5dB
Harmonic Wave Distortion: below 5%
Frequency Range: 450--3800 Hz
Input Noise: below 30 dB
Battery: 70mAh Lithium Battery
Working Voltage: dc 3.7V
Working Current: below 4mA
Working time: 20 hours
Color: Black
Net Weight: 9.5g
Item Size: 4.35*2.0*1.3cm
Package Size: 15.3 x 9.6 x 3.8cm
Certification: CE
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 choiceof earplugs and plugged, make sure no air leakage.
Keep the ear plug clean
$95.98~119.98
Min. Order:5
$137.41~171.76
Min. Order:5