The Extra Volume Booster Helper application will help you choose which is the best of the current volume boosters. Not to do your voice booster

These options help you get the most out of the sound from your android device with with music equalizer and bass booster FREE is able to boost volume of your phone and tablet louder, improve your music quality and amplify bass.

Features:
☆ Music equalizer with different sound level and frequency
☆ A choice of various booster tools that you will love
☆ Volume booster pro for headphones & external speaker & bluetooth