Logitech Keyboard-Mouse 920-002553 Wireless Combo MK520 2.4GHz Black

Product Name: MK520 Keyboard and Mouse Keyboard/Keypad Connectivity Technology: WirelessKeyboard/Keypad Wireless Technology: RF Movement Detection: LaserScroller Type: Scroll Wheel Keyboard/Keypad Host Interface: USB Pointing Device Host Interface: USBSystem Requirements Windows-based PC Windows XP, Windows Vista, or Windows 7 USB port Internet connectionPackage Contents Wireless Keyboard K520 Wireless Mouse M310 Logitech Unifying receiver 3 AA alkaline batteries (pre-installed) Receiver extender cable User documentationItem Dimension (L"xW"xH"):18.5 x 8.19 x 2.88 Weight:3.15 lbWarranty Information 3 Years