Key FeatureExtra Slim and Light Design.Integrated Wrist Rest Design.Multimedia Hotkeys.19-Key Rollover.7 Colors Back lighting.Braided Wire and Gold-plated Connector. By pressing Fn key with other keys,DS4100 provides below useful functions.Light weight and thin body design- Thickness: 1.8cm- Weight: 620g- Easy for user to carry.Normal keysStandard 104 keysK/B Dimension452 X 201 X 18 mmK/B Weight62