●Security key to lock computers－- You are the only access to the computer. The device starts the screen saver to lock the computer when you carry it away, and then unlocks it when you return. No more 30-second waiting or passwords. ●Alarm key to guard cellular phones－- After pairing this device to your phone (PDA, Tablet, etc), whether your phone is misplaced, lost, or stolen, you will be alerted once the connection is lost. You can also pair two of them, to ensure that your luxury items, child, or even elderly is in the safe distance. ●Backup key to keep documents updated－- You may have a computer at home, another one in the office, plus a laptop. Do you sync the documents by email, flash drive, or cyber space? This device updated the documents automatically, without Internet! You are always carrying the updated copy in your pocket. We named it Cloud Flash Drive because it builds up a personal air space, and gives the security to the devices. Imagine you are sitting in a cafe with your cell phone, laptop and PDA, after you paired them to this device, you can transfer the files in the micro SD card, download the files to the smart phone, update the documents on your laptop, and prevent your phone from being stolen. We describe it as a key: small, simple, and safe.