DELL WM514, Ambidextrous, Laser, RF Wireless, 1000 DPI, Black, Silver DELL WM514. Form factor: Ambidextrous. Movement detection technology: Laser, Device interface: RF Wireless, Movement resolution: 1000 DPI, Buttons type: Pressed buttons, Buttons quantity: 6, Scroll type: Wheel. Power source: Batteries. Product color: Black, Silver https://www.pcmag.com/reviews/dell-wireless-mouse-wm514 Complicated gaming and high-performance mice are ubiquitous, but most users are content with a simple input device built for everyday tasks. The Dell Wireless Mouse WM514 ($21.99) fits the bill, as it's moderately inexpensive, and sized for easy portabili... Small size makes for easy portability, Smooth tracking on a variety of surfaces, Simple to set up, Odd shape and small size can make it uncomfortable to use at times, Side buttons only control Windows 8.1 charms The affordable Dell Wireless Mouse WM514 is a basic and efficient computer mouse for everyday use...