/Features:Enhanced Voice Clarity: Specifically designed for seniors, this compact voice amplifier improves speech clarity, making everyday communication clearer and more enjoyable. Design: Built to last, the device features a robust construction that withstands daily use while being small enough to be carried in a pocket.Large LCD Screen: Equipped with a large, easy-to-read LCD screen that clearly displays settings, facilitating easy adjustments even in low light.Color: Elegant black finish that suits any environment, whether... Adjust the volume to minimum before use. Gradually increase the volume to avoid sudden sound increase. Convenient for watching movies, enjoying dramas, attending meetings, or having classes, it can help you hear the sound clearly and loudly.SpecificationsMax Sound Output: 110±5dBSound Gain: ≥30dBTotal Harmonic Wave Distortion: ≤10%Frequency Range: 300-4000HzInput Noise: ≤40dBVoltage: DC1.5VCurrent: ≤4mA Due to different batches, there may be differences in product appearance and printed text, which does not affect useMaterial: ABSColor: BlackPackage Contents:1 x Voice AmplifierOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.