Blusens K20 Player 750GB. Hard drive rotational speed: 5400 RPM, Supported file systems: FAT32. Image formats supported: JPEG, Video compression formats: MPEG1/2/4, Audio formats supported: MP3, WMA. Compatible memory cards: CF, MMC, SD. Weight: 1.1 kg. Dimensions (WxDxH): 165 x 165 x 60 mm, Hard drive capacity: 750 GB, Drive device, buffer size: 32 MB