Complex sentence: The SwanCrystal was a 16-bit handheld game console that like its' predecessor ran off one AA battery, and was compatible with all previous games for both the WonderSwan Color and the original WonderSwan.
Split into simpler sentences: The SwanCrystal was a 16-bit handheld game console that like its' predecessors ran off one AA battery. It was compatible with all previous games for both the WonderSwan Color and the original WonderSwan.