StarTech.com 15 ft Thin Toslink Digital Optical SPDIF Audio Cable - 15ft / 15 Feet Optical Audio Cable (THINTOS15) - digital audio cable (optical) - SPDIF - 4.6 m
Convert a PS/2 keyboard and mouse to a single USB interface. This PS/2 USB Adapter converts a single USB port into two universal PS/2 ports, letting you connect any PS/2 peripheral (e.g. mouse, keyboard) to a computer through USB.