Small, simple, free app to boost your headphone or speaker sound volume. Useful for music, movies, audiobooks, and games. It not only works for your phone or tablet but also works for your headphone and external speaker.

Main Feature:
☆ Small, simple, clean interface
☆ Max volume booster, boost volume up to 200%
☆ Effectively boost sound for all media such as music, video, and game
☆ Extra volume booster for headphones & external speaker & Bluetooth
☆ Run in the background
☆ Notification control
☆ Floating window control on other app
☆ No root required

Disclaimer: Use at your own risk.
Playing audio at high volumes, especially for a prolonged amount of time, can destroy speakers and/or damage hearing. Volume max up make be destroy your speakers and earphones. By installing this application you agree that you will not hold its developer responsible for any damage to hearing or hardware, and you are using it at your own risk. Please lower the volume, if you hear distorted audio.

This App does not support all devices, you can try it and see if yours works, but at your own risk.