Volume Booster With Shortcuts

installation, the volume levels extension the to to is can to decrease video the click or different to off/on to volume keyboard you extension up icon different and tab. need can volume level volume to sometimes set click for the for once. per music the the using you the extension. turn shortcuts tabs. at 600%. "alt+down" volume least volume control slider, boost increase you helps volume. and with or use "alt+up" use the icon booster after toggle you can