Optimizer Keyboard By Matias Split-second access to - Arrow Keys, Home, End, Page Up, Page Down, Equal on Number Pad, Cut, Copy, Paste, Enter, Esc, Delete, Backspace, Erase Word, Select, Select All, Select Word, Move by Word, Web browser Back, Forward, Launch Calculator, Caps Lock, Num Lock Keys System Requirements - Compatible with Windows, Mac, or Linux PCs with One USB port required Dimensions - 18.7 x 6.8 x 1.4 inch (47.5 x 17.3 x 3.5 cm) Weight - 727 grams (1.6 pounds) Cable Length - 54.7 inches (139 cm)