Sony NW-WM1Z
| General | Screen size Voice recording FM tuner Battery Equalizer OS Audio formats Display Music play USB Memory size Weight Dimensions | 4 in (10.2 cm) 33 Hour (MP3) 30 Hour (FLAC) 26 Hour (FLAC) 11 Hour (DSD) Yes Sony original OS AAC, AIFF, ALAC, DSD, FLAC, HE-AAC, PCM, MP3, WMA 854 x 480 (FWVGA) Normal, Repeat, Shuffle Hi-Speed USB (USB 2.0 compliant) 256 GB 16.05 oz 2.87 x 4.89 x 0.78 inches |
| Features | High-Resolution Audio compatible Native DSD (direct stream digital) file support DSEE HX upscales music to high resolution quality S-Master HX digital amplifier for pure sound quality 256 GB capacity (up to 1,600 High-Resolution Audio tracks) |