The S11 is the current top player of the OPPO mp3 player line featuring a 3\'\' touchscreen, g-sensor and tv-out.
The Oppo S11 has a great file manager allowing id3 tag browsing
and even file search.
Among its unique features there is the video preview,a small thumbnail showing a screen of the video file.It does allow bookmarking of music,video and ebook position to let you return to where you left in any case.
The built in photo viewer comes with a nice thumbnail feature to quickly browse the pictures.
There are various built in games,making use of the g-sensor.
It does have some useful application like calendar,world time,stopwatch and calculator.
See full specification below.