Rechargeable sound amplifier with adjustable tone

Rechargeable sound amplifier designed for people with hearing difficulties. Lightweight and discreet device with simple controls to adjust volume and choose between different operating modes.

Key features:
• Maximum sound output: 117 dB
• Maximum gain: 38 dB
• Frequency range: 450-3000 Hz
• Rechargeable with included USB cable (requires 1-2A power adapter not included)
• Controls: power button, low frequency compression mode, normal mode, volume adjustment 1-4
• Lightweight and easy to wear

For optimal use, clean the ear canal before wearing the device and try different earpiece sizes to find the most comfortable one. Gradually increase the volume from low positions to avoid feedback. Use only the original charging cable and a suitable power adapter (1-2A).