Logitech M187 Wireless Mini Mouse - Blue Includes a 4-way scroll wheel so you can navigate side-to-side and zoom in and out. Works well with laptop computers. Optical design works on most surfaces. Plug and Play mini receiver snaps into the mouse for easy transport. Helps conserve battery life by automatically6 turning off the mouse. Compatible with both Windows PCs and Macs. Micro-precise scrolling for accurate and efficient navigation. Small, unifying nano-receiver can stay in your laptop's USB port when not in use. Never worry about losing your receiver while traveling.