Complex sentence: Due to the release of Halo 3, Microsoft is releasing a Halo 3 themed Wireless Headset to complement the release of the much anticipated game and is expected to be released early September of this year.
Split into simpler sentences: Due to the release of Halo 3, Microsoft is releasing a Halo 3 themed Wireless Headset to complement the release of the much anticipated game. The headset is expected to be released early September of this year.