pmed replied....
yes it has usb and video usb support too... bluee tooth also can play media.. it has not sd support as u can connect usb.
• Your DVD film collection (including DVD-R/-RW discs)
• Your audio via Bluetooth streaming
• Your CD collection (including CD-R/-RW and Video CD)
• MP3, WMA, AAC compressed audio files on CD and USB
• DivX film and JPEG on CD, DVD and USB
• Your iPod, iPhone (cable included) • Your USB storage device via a rear input
• An AV source (MP3 player or games console) via the Aux-in + Audio via bluetooth
For more info
AVH-P4450BT Pioneer - Car DVD Player, Screens - Car*Entertainment