Hii friends , today I am sharing my opinon about sony NWZ-A844 MP4. I really liked the quality of sound graphic data shown is well satisfied. if you’re planning to purchase MP3 or MP4 player that you should read this review of mine. the Sony NWZ-A844 MP3 player is a great MP4 player for ever. it is easy to carry and its battery is great about 4 hours. it is a very small and good looking MP4 player. the output sound quality and in the hands free both of the sounds are the out class. the MP4 is about 2.5 inch screen and its other feature are really amazing. I am really satisfied from this kind of MP4 this MP4 support all kind of SD card. I use 16 GB SD card it worked really amazing and never hang in the mid of music.