Logitech MK345-R Wireless Combo MK345 with Full-Size Keyboard and Right-Handed Mouse (920-006481), Black (Certified Refurbished) This Certified Refurbished product is tested & certified by Logitech to work like-new. The product includes all accessories listed below, and is backed by a 90 day warranty. Full-size keyboard layout: Comfortable, quiet typing on a familiar keyboard layout with generous palm rest, spill-resistant design and easy-access media keys like mute, volume and play. Comfortable right-handed mouse: Hand-friendly contoured shape for smooth, precise tracking, Advanced 2.4 GHz wireless connection: Delivers the reliability and speed of a corded connection. Extended battery life: 3-year keyboard and 18-month mouse battery life virtually eliminates battery changes. Mouse battery life may vary based on user and computing conditions. Compatibility: Works with PCs using Windows or Chrome operating systems