Lenovo Z575 129925U 15.6-Inch Laptop (Grey Metal)br br br The IdeaPad® Z575 notebook offers a unique balance of style, affordability, reliable processing and a range of multimedia enhancements. The 15.6" widescreen Z575 is more affordable than you might think. It makes multimedia more realistic with features like OneKey® Theater II for optimized audio-visual settings, SRS® Premium Surround Sound™ audio enhancement technology, and specialized stereo speakers for extra bass.