Dell Mouse MS3320W, Connectivity Technology: Wireless, Interface: 2.4 GHz, Bluetooth 5.0, Movement Detection Technology: Optical, Buttons Qty: 3, Movement Resolution: 1600 dpi, Features: 4 DPI levels, Swift Pair, Included Accessories: 1 AA battery, Width: 6.05 cm, Depth: 10.44 cm, Height: 3.83 cm, Weight: 65 g, Colour: Midnight Green, 3y warranty