Thermaltake Tt eSPORTS Challenger Edge Aluminum Faceplate 8 Color LED Backlighting Fast Response Key Anti-Ghosting Membrane Gaming Keyboard KB-CHE-MBBLUS-01 The CHALLENGER EDGE - Comes with a brand new floating keycaps design, delivering stunning colors under each keycaps that provide gamers a more attractive and in-style look while gaming! Additionally, it was created with a splendid black brushed aluminum faceplate that makes it cooler and more extraordinary!Specification: Back-Light: 8 ColorLighting Effect: Static, Pulse, Pulse Jumping, Spectrum RunningKeystroke Lifecycle: 20 MillionAnti-Ghosting Keys: 15 KeysWindow Tool Hot Keys: 3# of Game Profiles: 3# of Macro Keys: 6Multimedia Keys: 7 KeysRolling Rate: 125 HzWrist Rest: FixedUSB Cable Length: 1.8M (7.09 Foot Long)Dimension: 18.19? x 6.1? x 1.97?Weight: 2.76 lb