Rosetta Stone Version 3: Greek Level 1, 2 & 3 Set with Audio Companion Includes Audio Companion CDs to reinforce your language learning anytime any place Included is a USB microphone headset that allows you to listen to the program and practice pronouncing words correctly while working with Rosetta Stone's proprietary speech recognition and analysis tools Contextual Formation feature uses real-world simulations to give you the benefits you need to succeed Adaptive Recall Language feature tracks progress to reinforce your strengths and revisit needs Intuitive, sequential learning makes every lesson count and build progressivelyMinimum System Requirements