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This is a three pack of 4GB flash drives, all three are the same except the colours; black blue and red.
The only reason I bought this pack of flash drives was because I needed one for work, one for backup and one for someone else to use. I do not recommend buying this if you need only one memory stick as it would end up cheaper to buy just one large one, that way you won't be worried about losing a third of your data if you misplace one.
The design of these is fairly basic, in the market these days you can get many crazy looking ones from a humping dog, to a lego block design, all with a variety of 256mb up to a tb these days; but if you don't want anything special looking and simply professional and efficient then i'm sure the design of this thing will do you greatly.
These flash drives are as easy as can be to use, simple "plug n' play" means you can slot it into one of the USB slots on your laptop/computer/device, then wait for it to pop up and view the files or just look in the "My Computer" section to find your external device, no drivers are required to be downloaded.
The TDK memory stick has a 4 gigabyte capacity, and currently sells for £10 at Tesco. It's a plug-in piece of kit (also known as an USB drive, pen drive or 'flash' drive) that can be used to store and transfer various types of information from / between computers and other computer-friendly pieces of kit (such as digital photo-frames, external hard-drives, etc). These sticks have effectively replaced floppy discs and (more recently) CDs as portable / external devices for backing up and storing data.
This particular memory stick is tiny in size; it's about five cm long and a centimetre and a half wide, and maybe half a centimetre thick. This is substantially smaller than the other USB drives we have at home - most of which I already thought were pretty tiny to begin with. The outer casing of this one is made of semi-transparent brown plastic, with a slot at one end so it can be connected to a string or key-ring attachment (not included). It has a detachable lid at the 'business end' - which covers a metal USB attachment that slots into the appropriate port on your computer. When you plug it in, software already on the USB stick automatically identifies it to the computer you're using and it appears as an additional (external) drive.
I've noticed a certain streaming in the cost of this type of gadget, in that you seem to pay about £5 for every two gigabytes of memory. £10-worth seemed about adequate for our needs, so we picked this up on a whim in Tesco, intending to use it as an inexpensive means of backing up our family store of digital photos (we were going to put them all onto the USB and leave it at my partner's place of work). More than five years' worth of family photos (bearing in mind (1) we had two kids born during this time, so there are a heck of a lot of baby photos; (2) when using a digital camera I always try and take AT LEAST four pictures of anything I'm trying to photograph, to try and ensure I get at least one usable shot) were however too much for the four gigabyte capacity of this memory stick and as it turns out, we'd have needed one with at least double the capacity; these are available of course, but not for £10 from Tesco! (Admittedly I could probably 'prune' the photo files by about a third of their current size, by removing all the dross - but they'd still be too much for this particular memory stick.)
Still, it's quite useful to have a spare memory stick.