The MFS Blended Research Emerging Markets Equity Fund - Class R2 (BRKSX) is a mutual fund that focuses on investing in emerging market equities. It utilizes a blended research approach, combining both quantitative and qualitative analysis to select investments. This fund is classified as Class R2, indicating it is intended for retirement accounts and has a lower expense ratio compared to other classes. It aims to provide investors with exposure to emerging market economies and potential for long-term growth.