Wireless USB optical mouse featuring a stylish sports car design and built-in headlight, this cool gaming mouse is ideal for laptop use and makes a great gift for family, friends, and anyone. Powered by 2 AAA batteries (not included), the dimensions are 4.6 (L) x 1.42 (H) x 2.52 (W) inches, with a net weight of 1.94 oz. It has a 1600 DPI sensitivity and 3 buttons (pressing the top cover reveals the USB receiver and battery compartment). The device is plug and play, requiring no drivers; it includes a power-saving sleep function that activates after a short period of inactivity. Enjoy fast 2.4G wireless data transmission with an operating distance of up to 10 meters. Featuring a high-quality, ergonomic design for a comfortable grip, this mouse is compatible with most operating systems, including Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux and Mac OS.