Tips: All usb memory stick devices may be damaged due to Viruses, interface aging or other uncontrollable factors, so please double backup your important files. This 256GB USB memory stick is made of stainless steel, provides large storage space to manage and store your files. Specifications: Operating System: Supports Windows 10/ 8/ 7, Vista, XP Linux, Mac OS 10.3 and higher. Interface: USB 2.0. Durability: read and write more than 1000 times. Compatibility: Computer, laptop, tablet, speakers and all with USB port that allows data transfer. Videos Supported File Formats- MP4/MOV/RM/RMVB/M4V/FLV/WMV/AVI Music Supported File Formats- MP3, AIF, WAV, AIFF, M4A, WMA, AAC, OGG, FLAC Picture Supported File Formats- BMP/JPG/GIF/ICO/FIFF/PNG/RAW/XBM Office Documents Supported File Formats-PDF/WORD/EXCEL/RTF/PPT/HTM/HTML/TXT/NUMBERS/CWR/PAGES