HP Invent X-550 1600 DPI Ergonomic, Feel more comfortable, Effectively relieve the tiredness of the long time use.800-1200-1600 DPI precision optical engine. Improve the ability of using the desktop control precision, agile. A convenient and practical, press the wheel button can use auto scroll. Use as many as 10 million clicks life. Number of buttons : Three
Enjoy the comfortable HP Wired Mouse X500 with simple USB connection,