... 4:3, 16:9, Actual Simple and intuitive 5-in-1 button make it more pleasure for operation Detachable headset ... max 32 GB Specification: Virtual Screen: 72inch, 2meters virtual distance Screen Resolution: FLCOS 320x240 equivalent to LCD 640x480 Screen Ratio: 4:3 IPD: ... WMA, Flac and APE Picture format: Jpeg, BMP, GIF, feature: Rotate, Zoom, Slides, Auto-browse. Accessories: USB Cable, Eyepatch, Headstrap, ...