Familiar key shape and feel, whisper-quiet. Three-position tilt, spill-resistant design. Caps-lock LED indicator. Contoured mouse with soft rubber grips. Full-size and ambidextrous. Advanced optical tracking with 3 buttons and scroll wheel. Tiny Logitech® Unifying receiver is so small it stays in your PC or laptop. Uses 3 "AA" batteries (included). Up to 36 months of battery life for the keyboard and 18 months for the mouse. 1-year warranty. French. Black.