A memory card or flash memory card is a solid-state electronic flash memory data storage device used with digital cameras, handheld and mobile computers, telephones, music players, video game consoles, and other electronics. They offer high re-record-ability, power-free stor... 

A laptop computer, or simply laptop (also notebook computer, notebook and notepad) is a small mobile computer, typically weighing 3-12 pounds (around 1.3 to 5.4 kilograms), although older laptops may weigh more. Laptops usually run on a single main battery or from an externa... 

The term MP4 player is commonly used to describe portable media players that comply with additional standards and formats from the people's republic of china and surrounding areas.The name itself is a misnomer; while it is not an abbreviation of the MPEG-4 part 14 format, it... 

A USB flash drive is a NAND-type flash memory data storage device integrated with a USB (universal serial bus) connector. USB flash drives are typically removable and rewritable, much shorter than a floppy disk (1-4 inches or 25-102 mm), and weigh less than 2 ounces (56 g). ... 

A USB pen drive that plugs into the computer's usb port. Small enough to hook onto a keychain, it emulates a small disk drive and allows data to be easily transferred from one machine to another. Software drivers are not required for the latest operating systems, but are ava...