LOGI M185 Wireless Mouse BLUE EWR2 80000596 910-002236 Product Description: Logitech M185 - mouse - 2.4 GHz - blue Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Colour: Blue Wireless Receiver: USB wireless receiver Movement Detection Technology: Optical Features: Nano wireless receiver Battery: 1 x AA type OS Required: Linux Kernel 2.6 or later, Microsoft Windows Vista / XP / 7, Apple MacOS X 10.5 or later Microsoft Certification: Compatible with Windows 7 Manufacturer Warranty: 3-year warranty