Mini Rechargeable Digital Ear Sound Voice Amplifier US Plug

Description: for wearers with severe hearing loss, the earhook provides a high level of amplification.Different size noise prevention earplug, adapt to the ear better.Adjustable ear hook style appearance, lightweight and compact.Convenient volume control, easy to use.Each item has been tested and checked in good condition before shipping. Specification: Material: ABS PlasticInput Noise: ≤30 dBCharger Type: US PlugWorking Current: ≤4mAWorking Voltage: DC3.7VMax Sound Output: 127±4 dBMax Sound Gain: 48dB ± 5dBHarmonic Wave Distortion: ≤5%Frequency Response Range: 250～3800HzSize(LxWxH): Approx.4.35x2.0x1.3 cm/1.71x0.79x0.51 inch Package Includes: 1 Piece A-155 Hearing Aid3 Pieces Earplugs (Different Sizes)1 Piece Charger (US Plug)1 Piece User Manual 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 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 do not use it for long time.Color might be slightly different due to the color calibration of each individual monitor.Please allow slightly measuring deviation due to manual measurement. Giá sản phẩm trên Tiki đã bao gồm thuế theo luật hiện hành. Bên cạnh đó, tuỳ vào loại sản phẩm, hình thức và địa chỉ giao hàng mà có thể phát sinh thêm chi phí khác như phí vận chuyển, phụ phí hàng cồng kềnh, thuế nhập khẩu (đối với đơn hàng giao từ nước ngoài có giá trị trên 1 triệu đồng).....