K800 Wireless Illuminated Keyboard is sleek, comfortable and delivers a brilliant typing experienceday or night. The laser-etched, backlit keys are bright enough to let you type in the dark, and every stroke is whisper-quiet with the PerfectStroke key system. Wireless connection via the tiny Logitech Unifying receiver. Wired/Wireless: Wireless; Maximum Wireless Range: 30 ft; Connector/Port/Interface: USB; Keyboard Design: Slim.