Rexel No.56 Staples – Pack of 5000

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DUAL HD VIDEO OUTPUT – With an HDMI port and a DVI port, you can expand your workspace and increase productivity by adding 2 external screens. The HDMI connects directly while the DVI port can be connected directly or through the included DVI-to-VGA or DVI-to-HDMI adapter
ZERO FOOTPRINT MOUNTING – The dock can be mounted to the back of a 75mm or 100mm VESA-compatible external monitor (mounting plate sold separately), allowing you to keep your desktop less cluttered

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Dual Wireless Technology – The ultimate in wireless freedom, allowing you to connect either via Bluetooth 4.0 LE that allows you to save a valuable USB port or through a highly reliable 2.4 GHz USB nano receiver
KensingtonWorks Customisation – Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 4 buttons, as well as adjusting cursor and scrolling speeds