Max Sound Output: 127±4 dB

Max Sound Gain: 52dB ± 5dB

Harmonic Wave Distortion: ≤5%

Low Frequency: 580Hz~~2.8KHz

Middle Frequency: 700Hz~~4.8KHz

High Frequency: 780Hz~~7.8KHz

Wide Frequency: 910Hz~~10.5KHz

Input Noise: ≤30dB

Battery: Lithium Battery

Working Voltage: DC 5V±0.5V

Working Current: ≤8mA

Color: As the picture shows

Item Size: 4 x 3.2 x 1.2cm

Package Size: 15.3 x 96 x 38cm

1 x E-8 Hearing aid

8 x Earplug (different sizes)

1 x EU Plug Charger (110-240v.)

1 x User manual

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