Update - based on multiple reports it appears there may be a problem with Android Jelly Bean. See http://code.google.com/p/toggleheadset2/issues/detail?id=14 for more details. You may want to try SoundAbout app instead. for more details. You may want to try SoundAbout app instead.
This is an open source project originally intended for use with the now legacy Android 1.6 (donut) release and 3...
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Updated: January 29, 2013
Version Varies with device