Logitech W/L Mouse M170 - Black

§  Powered by Logitech Advanced 2.4GHz wireless technology. §  To use, just plug the tiny wireless receiver into a USB slot. §  Compatible with Windows, Mac and Chrome. §  Ergonomic design for ultimate comfort. §  Compact and lightweight Dimensions   97.7 x 61.5 x 35.2 mm Weight 69.3 g   Sensor Technology   Smooth optical tracking   DPI (Min/Max) 1000±   USB Receiver   6.6 x 23.1 x 18.7 mm USB Receiver(Weight)   1.8 g Number of Buttons 3 (Left/Right-click, Middle click)   Scrolling   Line-by-line scrolling Scroll Wheel Yes, 2D, optical   Battery 12 months   Battery Details   1 x AA (included) Connection Type 2.4 GHz wireless connection