M185 WIRELESS MOUSE - GREY 12-month Battery Life. Plug & play wireless. Hybrid, sculpted shape. Nano receiver with Nano storage. 3-year limited hardware warranty Basic Brand Name: Logitech Colour: Grey Ergonomic Fit: Symmetrical Movement Detection: Optical Pointing Device Connectivity Technology: Wireless Pointing Device Host Interface: USB Pointing Device Wireless Technology: Radio Frequency Product Type: Mouse Scroller Type: Scroll Wheel Battery Information Battery Size Supported: AA Maximum Battery Run Time: 1 Year Number of Batteries Supported: 1 General Information Brand Name: Logitech Manufacturer Part Number: 910-002255 Manufacturer Website Address: http://www.logitech.com/en-au Manufacturer: Logitech Product Model: M185 Product Name: M185 Mouse Product Type: Mouse Interfaces/Ports Pointing Device Host Interface: USB Miscellaneous Device Supported: Computer Environmental Certification: RoHS WEEE Environmentally Friendly: Yes Package Contents: M185 Mouse Nano Receiver 1 x AA Battery (pre-installed) User Documentation System Requirements: USB Port Operating Systems: Windows XP Windows Vista Windows 7 Mac OS X 10.5 or later Linux kernel 2.6+ Physical Characteristics Colour: Grey Pointing Device Ergonomic Fit: Symmetrical Movement Detection: Optical Pointing Device Connectivity Technology: Wireless Pointing Device Features: Contour Pointing Device Wireless Technology: Radio Frequency Scroller Type: Scroll Wheel Wireless Operating Frequency: 2.40 GHz Warranty Limited Warranty: 3 Year