Usb keylogger one of security hardware, it use for recording what is touch on keyboard. You can use it for your personal computer or for office computer to watch who is log in to the computer.

Keyloggers are small, discrete, easy-to-use devices that monitor all PC keyboard activity and install in a matter of seconds between the keyboard and PC.

They capture everything that is typed into any keyboard however this device will plug into any standard 1.1/ 2.0 port and capture everything including email, instant messaging, chat room activity and web URLs.

Completely invisible for computer operation - no software or drivers required and also supports national keyboard layouts. Works with Windows, Mac, Linux.

The USB KeyLog is organized into an advanced flash file system. Retrieval of the logged data is super fast - just press a secret key combination (you can configure your personal combination) and the keylogger shows up as a flash drive so you can load or copy the log as if it was on any folder on your computer!

source: gadgets.co.uk