MP4 format with hardcoded English subtitles.
Video..: H.264/AVC Video (playable on PS3, Xbox 360, etc.)
Audio..:128 kbps, 2 Channel (AAC)
screenshots:
https://yuq.me/u/1967762/1ke9Jw5vEF.png
alternate .torrent link:
http://tracker.anime-index.org/download.php?id=9cdd226b8bfbe038faadc4b013d581ed165b25ce&f=[youshikibi]%20Naruto%20Shippuden%20-%20307%20(1280x720%20h264%20AAC)%20[2b4d6051].mp4.torrent