Tesoro Durandal Ultimate TS-G1NL (Red MX). Device interface: USB, Purpose: PC/server, Recommended usage: Gaming. Connector contacts plating: Gold, Cable length: 1.55 m. Keyboard dimensions (WxDxH): 455 x 206 x 43.4 mm, Keyboard weight: 1400 g. Compatible operating systems: Windows XP, Vista, 7