F-138D Hearing Aids Sound Amplifier Battery Powered In Ear

Features:

Comes with silicone earplugs, not easy to slip off, it will be very comfortable to wear for a long time.

Reliable quality, made of user-friendly material, flexible, safe to wear without harming ear canal.

Easy to operate, helping you regain the pleasure of enjoying music, movies and TV programs.

Adjustable volume, you can turn up the volume from low to high to meet your need.

Battery-powered, convenient for you to replace the battery, waterproof and portable, great for daily and travel.

Specifications:

Type: Hearing Aid

Model: F-138D

Quantity: 1PC, 1 Pair(Optional)

Material: Silica Gel; ABS; Metal

Color: Khaki

Battery: AG3 Button Battery(Battery Included)

Max Sound Output: 130dB plusmn; 4dB

Max Sound Gain: 38dB plusmn; 5dB

Harmonic Wave Distortion: le;5%

Frequency Range: 300~4000 Hz

Input Noise: le;30 dB

Working Voltage: dc1.5V

Working Current: le;2.5mA

Package Size: Approx. 5.5*4.5*1cm / 2.17*1.77*0.40in

Package Weight: Approx. 8g / 0.28oz

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