Zingle Rechargeable Audio Amplifier - Personal Voice Amplifier with Microphone for Enhanced Sound Clarity - Invisible Design with HD Power Display, Noise Reduction & 30hr Battery Life

Enjoy uninterrupted sound enhancement with the Zingle Rechargeable Sound Amplifier, delivering up to 30 hours of use on a single charge. The portable charging case provides two additional recharges, ensuring you stay powered up for extended listening without any disruptions. All-Day Power - Get up to 30 hours of use per charge, with two extra recharges from the case for uninterrupted listening. Effortless Sound Tuning - One-finger rotation lets you adjust volume quickly for a customized audio experience About Zingle - Designed for superior sound enhancement, Zingle is committed to delivering high-quality, user-friendly audio solutions. Enjoy peace of mind with a 1-year warranty and UK-based customer support, ensuring reliable assistance whenever you need it Troubleshooting - Adjusting Volume:To change the volume, use the provided mini screwdriver to gently rotate the volume dial. Turn clockwise to increase volume, and counterclockwise to reduce. Always start at a low level to avoid sudden loud sounds