The Sony BDP-S5100 Blu-ray Disc Player is a used device that supports a wide range of playable media formats, including Blu-ray, DVD, CD, and SACD. It features connectivity options such as HDMI, USB, and Ethernet, and supports digital audio optical TOSLINK and digital audio coaxial RCA. The device also has features like SACD, internet/media streamer, DVR/hard drive recorder, and Blu-ray 3D. The aspect ratio of the player is 16:9, and it comes with a remote.