Text original - Anglès - MAXIMIZE THE BENEFITS WHEN USING LIGHT＆ SOUND...

MAXIMIZE THE BENEFITS WHEN USING LIGHT＆ SOUND MACHINES.
Most people use only 10ï¼… of their machine; don't be one of them.
Read this before using your machine and before reading your owner's manual.
Why most people are cheating themselves out of their machine's full potential.
Learn about the many "hidden" benefits.
A must first-read guide prior to reading your manual.
Advanced techniques and tips for new users.