In order to let you never leave without your personal documents in your pocket, mobile timebags can stay on any Flash Drive device in your pocket (iPod, MP3 Player, USB Flash Drive, CompactFlash Card, SD Card, SmartMedia Card, XD Card, Memory Stick PRO, Digital Camera, Cell Phone, etc.), external Hard Disk Drive.

We call this kind of devices "mobile storage device". One mobile storage device can hold many mobile timebags.