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If you're still on Windows 7, you'd probably have noticed a bug in Firefox where the system's Mixer would not remember the volume levels for new tabs. This is especially noticeable if you're wearing earphones. Volume Control is a fix for that. Bug or no bug, if you want a global volume slider to control the volume of HTML5 media, this is the extension for you.

v2.0.2
Added new feature -- instantaneous volume adjustment (no more page refreshes when adjusting volume)

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2.0.2 的发布说明

v2.0.2
Added new feature -- instantaneous volume adjustment (no more page refreshes when adjusting volume)

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