Mini Size Inner Ear Invisible Hearing A-id 4 Levels Volume

Features:

Designed for old people or people with hearing problems, suitable for helping hearing loss or patients.

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.

Compact design makes it easy carrying and space-saving.

Made of superb ABS material for long-lasting, equipped with soft earmuff providing you nice wearing.

Specifications:

Material: ABS

Max sound output: 130dB plusmn; 5dB

Sound gain: 50dB plusmn; 5dB

Total harmonicwave distortion: le;5%

Equivalent input noise level: le;30 dB

Frequency range: 450-3500Hz

Voltage: DC1.5V

Working current: le;4mA

Color: As pictures

Battery: 1 * lithium battery, 1.5V, 150mAh (included)

Package size: 100 * 80 * 30mm / 3.9 * 3.1 * 1.2inches(Length * Width * Height)

Package weight: 56g / 2ounces

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