sony nwza726b video walkman colour : black memory capacity : 4gb ; memory type : built-in flash display : 2.4-inch tft colour display with white led-backlight, qvga (240 x 320 pixels), 262,144 colours; screen direction : vertical or horizontal input / output : 3.5 mm headphone / wm-port (22 pins) supp audio formats : audio: mp3 / wma (drm & non drm) / aac-lc (non-drm)/ linear pcm; video: avc (h.264) / mpeg-4; photo: jpeg selectable data compression : mp3: 32 to 320 kbps / wma: 32 to 192 kbps / aac-lc: 16 to 320 kbps / linear pcm: 1411 kbps play modes : music: normal / repeat / shuffle / shuffle&repeat / repeat 1 song / playback range selection (all range / selected range) / intelligen shuffle (time machine shuffle / shuffle all); video: repeat (on/off) / continuous playback; photo: normal / slide show / slide show repeat / slide show interval (short / normal / long) sound modes :heavy / pop / jazz / unique / custom 1 / custom 2 / studio / live / club / arena / matrix / karaoke ; equalizer : 5 band clear audio tech : digital sound enhancement (dsee) / clear bass / clear stereo battery life : up to 36 hours audio, 10 hours video recharge time : approx. 3 hrs (full charge), approx. 1.5 hrs(approx. 80%) dimensions (w x h x d) : 51.0 x 93.9 x 9.3 mm weight : 58g