Aismart Mini ITE Hearing Amplifier Invisible Design Ear Sound Amplifier

Description

Specification: 1. Max sound output: 110¡À5dB 2. Sound gain: ¡Ý30dB 3. Total harmonic wave distortion: ¡Ü10% 4. Frequency range: 300-4000Hz 5. Input noise: ¡Ü40dB 6. Voltage: DC1.5V 7. Current: ¡Ü4mA 8. Color: As pictures Package Included: 1 x Hearing Amplifier 2 x AG3 Button Cells 4 x Units different size earplug 1 x Instruction Manual 1 x Gift Case