Volume Booster Pro is a phone volume booster which has premium features, it increase your phone volume to highest limit of sound with one touch key only. All your sound control can be smoothly apply with this volume booster pro. It not only boost ring, voice, phone call sound, Alarm and SMS messages notification, but also loud your phone speaker and earphones sounds. This volume booster used as a music bass booster and equalizer which boost all your audio and video sound. So this can be used as music player that makes sounds like a Hi-FI system.It will immediately increase all your volume at 20% extra.