Logitech MK320 2.4 GHz Wireless Keyboard and Mouse Combo - Black Mouse Included: Yes Mouse Interface: RF Wireless Tracking Method: Optical Mouse Color: Black Power Supply: Keyboard: 2 x AA Alkaline (Not Rechargeable) Mouse: 1 x AA Alkaline (Not Rechargeable) Distance: Up to 30 Feet Scrolling Capability: 1x Wheel Operating System Supported: Windows XP, Windows Vista, Windows 7, Windows 8
