F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

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SAVE US $8.51

  • Original PriceUS$22.06piece
  • SAVEUS $8.51piece
  • Discount PriceUS$13.55piece
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  • Product Rating1658
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Shopping for a F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable with low price? Read about features, types, and other must-know topics in our F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable buying guide to make an informed choice. Pay for good F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable Look for the F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable package that is good for you. Make a price comparison, discount promo, or free sending before shopping.

When you see film, watch the play, have meeting, or have classes, the product can help you to hear the sound clearly and loudly.
While in forest, if you want to hear very slight sound, it will be a good choice.

Features:
1.Loud & Clear sound, cheap price.
2.Fashion design, comfortable to wear and easy to use.
3.Beautiful apperance, durable.
4.Ear volume control, N-H switch.
5.With “H” low frequency noise reduction
6.CE Approval

Specification:
Item No.: F-137
Max Sound Output: 130±5dB
Max Sound Gain: 48dB ±5dB
Harmonic Wave Distortion: ≤4%
Frequency Range: 450~3500Hz
Input Noise: ≤30dB
Battery: AG5 or A13(Zinc air)
Working Voltage: D.C.1.5V
Working Current: 3mA
Measurement: 46*38*9mm
Weight: About 92g

NOTE:
If you hear the whistling sound, please check that whether you plug in the ear plug tightly. If it can't be plug tightly, please change the other size plug.
Use for long periods of time, please remove the batteries to prevent battery rot erosion hearing aid components.
Please regularly clean the ear plugs or ear molds in order to ensure the normal use of hearing aids.
Avoid shock, drop, moisture, and high temperature.

Package Included:
1 x F-137 Product
2 x Battery
4 x Earplug
2 x Earplug Connector
1 x User's Manual




F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable

F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable


F-137 Earplug Digital Volume Sound Amplifier Adjustable Durable Portable
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