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/Je5Aq1F7ab.png
alternate .torrent link:
http://tracker.anime-index.org/download.php?id=3cce5f611d4034e69fb9b11f471a875f9efcbae8&f=[youshikibi]%20Naruto%20Shippuden%20-%20309%20(1280x720%20h264%20AAC)%20[8fe90cc6].mp4.torrent