OVERVIEW: Stunning sound and longer battery life Enjoy high sound quality all day long. The WH-CH520 headphones with up to 50 hours of battery life, stable connectivity, and enhanced call performance, meet the demands of your day. A listening experience just for you: Digital Sound Enhancement Engine (DSEE) restores the harmonics and liveliness lost during typical music compression, for a more authentic performance. You can even tailor music to your own taste with EQ settings on the Sony |...