Extra Volume Booster Equalizer, an easy-to-use volume booster and equalizer + speaker booster + bass booster free with cool edge lighting , give yourself an immersive opportunity to listen to music of loud volume and high quality on your phone and tablet!   Features: 🎺Speaker booster for Android devices 🎺 Music equalizer with different sound level and frequency, treble & bass 🎺 Sound booster for headphones & external speaker & bluetooth 🎺 Stereo surround sound effects 🎺 3D Virtualizer effect 🎺 Boost volume up to MAX 200% 🎺 Beautiful and simple interface 🎺 User-friendly operation 🎺 No root required   Music booster: useful for videos, audio books, music and games 1. Music equalizer & speaker booster 📣Turn on the Music player and play your music or audio books 📣Open the super volume booster and equalizer and adjust sound level and frequency as you like. 📣Adjust the volume booster for android, equalizer and bass booster to get louder-volume.   2. Effect for videos, games and so on 📣Open the sound amplifier + free equalizer and adjust sound level and frequency as you like. 📣Let the volume booster sound booster run in the background 📣Open the Video player to play your videos or enjoy your games   With this magical bass-boost App, you can also hear the passion of the bass volume when you use it as a headphone volume booster and equalizer.   Are you sure you won’t regret missing this volume-amplifier? Download Extra Volume Booster Equalizer and have fun now!