Today you're at the office, but tomorrow-- who knows? No matter where you are, though, you need a mouse you can rely on: easy to pack, plug in, and use, with simplicity that doesn't sacrifice quality.- Nano USB provides strong 2.4 GHz wireless connection.- Responsive and clear tracking with 1200 DPI resolution optical sensor.- Up to 8 million clicks for left and right buttons.- Comfortable and functional in left or right hand.- Lightweight for travel at 65 g (2.29 oz).- Battery life lasts up to 12 months(may vary based on usage).- Connection Type 2.4 GHz Wireless via Nano USB.- Mice Button 3 (left click, right click, scroll click).- Button Life Left/right button- up to 8,000,000 clicks; Scroll click- up to 100,000 clicks.- DPI 1200 DPI.- Mouse Sensor Optical sensor.- Hardware Requirements Supported PC with USB-A port.- Power Requirement 1 AA battery.- OS Requirements Windows 10, Windows 8.1, Windows 8, Windows 8.- WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov.- Sold as 1 Each.Safety Data Sheet