liLightweight, compact, portable design for maximum portability of important files, music and video liSecureAccess software password protects files with 128-bit AES encryption and is supported by Windows XP, Windows Vista, Windows 7 and Mac OS X v10.5 (Mac software requires download, see the SanDisk SecureAccess page.) Linux: storage only liFree access to 2GB of online storage offered by YuuWaa liRetractable USB connector li2-year limited warranty;.