Wireless optical mouse from ART equipped with 3 buttons and a scroll wheel. The mouse has a sensor with a sensitivity of 1000 dpi. Designed for home and office use. A comfortable, wireless mouse allows for comfortable use without being limited by a cable. Ideal for notebook or PC. Compatible with Windows 98/ME/2000/XP/Vista/7/8/10 operating systems. Features: Transmission: Wireless Technology: Optical Frequency: 2.4GHz Range: Up to 10m Port: USB Resolution: 1000 dpi Number of Buttons: 3 Number of Rollers: 1 Button Under Roller: Yes