Wireless silent compact mouse in the shape of a Porsche car Easily connects with your computer, laptop, and other devices with included USB adapter Powered by 2xAAA batteries (not included) Max 1600 cpi resolution Frequency: 2.4GHz, Transmission Range: 10m This is a silent wireless mouse shaped like a porsche car! Looks awesome, works great. Simply slide off the top and insert 2 batteries. This mouse is perfect for working quietly so nobody can hear you're clicking away.