What's in the box:

Inner Ear Invisible Hearing A-id Earplug Distributor 4 Levels Volume Adjustment Control Hearing Aids Ear Sound Amplifier Audiophone for the Old (Standard)

Low p-ower consumption, high-fidelity, fine quality chip, invisibility fleshcolor surface will not incongruity in the crowd. Cell operated, volume control, it is nice to wear and offers you true sound. What are you waiting for? Just come and buy.

Features:
Nice to offer you w-onderful true sound, cell operated, bill-free.
Low p-ower consumption, high-fidelity, fine quality chip, invisibility fleshcolor body will not incongruity in the crowd.
4 levels volume control to fit your own needs and preferences.
Made of superb ABS material makes it endurable, equipped with soft earmuff providing you nice wearing.
Better life assistance for those who needs.

Specifications:
Material: ABS
Max sound output:130dB 5dB
Sound gain: 50dB 5dB
Total harmonicwave distortion: 5%
Equivalent input noise level:30 dB
Frequency range: 300-4000Hz
Voltage: DC1.5V
Working current:4mA
Color: As pictures
Battery: 1 * lithium battery, 1.5V, 140mAh (included)
Package size: 100 * 80 * 30mm / 3.9* 3.1 * 1.2inches(Length * Width * Height)
Package weight: 66g / 2.3ounces

Packing List:
1 * Sound Amplifier Host
3 * Ear Plug
2 * Cell
1 * Instruction