Rechargeable Audio Amplifier - Personal Voice Amplifier with Microphone for Enhanced Sound Clarity - Invisible Design with HD Power Display, Noise Reduction & 30hr Battery Life (Black+Red+blue)

Enjoy uninterrupted sound enhancement with the 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 Easy Volume Control - Adjust sound effortlessly with a simple one-finger rotation for a personalized listening experience Effortless Sound Tuning - One-finger rotation lets you adjust volume quickly for a customized audio experience