Speaker Volume Booster is the best free music player and audio booster app for Android! With this app, you can boost the volume of your Android device's built-in speakers and headphones up to 100%! It works on all Android devices, even those with built-in speakers and headphones, such as the Samsung Galaxy S4, S5, S6, S7, and S8; the HTC One, M8, M9, and M10; the LG G2, G3, and G4; the Sony Xperia Z2, and Z3; the Xiaomi Redmi 3, and 4; the Nexus 7, and 9; the Samsung Galaxy Tab3 and 4; and the iPhone 5 and 5C.

It works in the background and doesn't drain your battery, even when you're playing a video or listening to a music track.

This app is a music player and an audio booster app, which means that it can play all the music and audio files on your device and boost the volume of your Android device's built-in speakers and headphones.

How can I use it?

1. Open your Android device's built-in speakers or headphones.

2. Turn on the Bluetooth or Wi-Fi connection.

3. Open the Music Volume Booster app.

4. Select your device.

5. Select the sound you want to boost.