Full-size traditional keyboard layout with numeric pad. Eight hotkeys provide instant access to favorite applications and websites. The tiny Logitech Unifying receiver stays plugged into your USB port and connects up to five additional compatible devices. Wireless 2.4 GHz technology ensures a signal distance to 33 feet, depending on environmental conditions. Spill-resistant design and UV-coated keys add durability. Wired/Wireless: Wireless; Maximum Wireless Range: 33 ft; Connector/Port/Interface: USB; Keyboard Design: Standard.