A4 OP-730D USB /BLACKProduct ID: 62018
• Warranty: 12 Months
• Type: Wired
• Sensors: Optical
• System requirements: Windows XP / Vista / 7 / 8 / 8.1 / 10
• Movement Resolution: 1000 DPI
• Buttons: 4
http://a4tech.com/product.aspx?id=203A4 OP-730D