Complement your desk with the contemporary designed Lenovo Professional Ultraslim Wireless Combo. This keyboard and mouse set is made for maximum comfort yet slim enough to take up minimal space. It features a 2.5-zone ultraslim keyboard at only 12 mm (0.47 in) thick with integrated rechargeable battery lasting for 3 months in 2.5 hours of charging time. The acompanying mouse, powered with 2 AAA batteries lasting for up to 12 months, has high precision adjustable DPI of up to 3200. Plus easily connect wirelessly with PC using one Nano USB receiver, saving those precious USB ports.