Experience music enhancement with a professional 10-band equalizer and a robust bass volume booster. Volume Booster has the capability to elevate the phone's volume beyond the preset system levels. This volume booster augments music volume and enhances the output when using headphones or earphones, resulting in significantly louder sound across all aspects of your device, effectively providing a volume amplification. BOOST THE VOLUME OF YOUR DEVICE SPEAKERS! Amazing Hearing Amplifier The Bass