Plug-and-play wireless mouse delivers simple, reliable wireless performance with no delays or dropouts. The tiny wireless receiver gives you a dependable connection with no software and no hassles. Simply plug in the tiny nano receiver and start using your mouse right away. The nano receiver is so small and unobtrusive that you can plug it into a USB port and forget about it. Compatible with Window-based and Mac computers, wireless receiver provides the reliability of a cord with wireless convenience and freedom. Using this advanced, 2.4 GHz wireless connectivity results in fast data transmission and virtually no delays or dropouts. The mouses 12-month battery life makes sure you dont have to deal with the hassle of frequent battery changes. The On/Off switch and smart sleep mode help conserve power. Wireless Mouse M185 also features a contoured design that feels good in either hand and offers more comfort than a touchpad. Mouse includes the nano receiver and one AA battery. Manufacturer: Logitech Manufacturer Part Number: 910-002225 Manufacturer Website Address: http://www.logitech.com Brand Name: Logitech Product Model: M185 Product Name: M185 Mouse Product Type: Mouse Pointing Device: Pointing Device Connectivity Technology: Wireless Pointing Device: Pointing Device Wireless Technology: Radio Frequency Pointing Device: Movement Detection: Optical Pointing Device: Scroller Type: Scroll Wheel Pointing Device: Ergonomic Fit: Symmetrical Interfaces/Ports: Pointing Device Host Interface: USB Physical Characteristics: Color: Silver Package Contents: M185 Mouse Nano Receiver 1 x AA Battery (pre-installed) User Documentation Device Supported: Computer Post-consumer-waste%: 0% Assembly Required: No Green Compliant: Yes Green Compliance Certificate/Authority: RoHS Country of Origin: China