Thông tin sản phẩm
Description:100% brand new and high quality.Super mini size and light weight, not easily to be seen.Adjust volume to the minimum before wearing, please.It is onvenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly.Item 100% like the picture shown.Specification:Pocket Hearing aidItem Size: 7.0 x 4.2 x 1.8 cm / 2.76 x 1.65 x 0.71 inchMaterial: ABSMax Sound Output: 129±4 dBMax Sound Gain: 55dB ± 5dBHarmonic Wave Distortion: ≤5%Frequency Range: 450~3500 hzInput Noise: ≤30 dBBattery: 1 x AA battery (Without Battery)Working Voltage: dc1.5V Working Current: ≤4mA Color: As the picture shows Package Size: 8.2 x 12.5 x 4 cm / 3.23 x 4.92 x1.57 inch Net Weight: 28gPackage Includes:1 Piece X-136 Hearing aid2 Pieces Earplug (different sizes)1 Piece User manualNote: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 choice of earplugs and plugged, make sure no air leakage.Keep the ear plug clean.Remove the battery if you don't use it for long time.
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