AULA T500 Macro Programmable Mechanical Gaming Keyboard with mouse Combo Set

mouse:
Customize DPI Switch mode From 400 to 2400
adjusted via the buttons of the mouse
Customize DPI Switch mode 4: DPI can be adjusted freely by ±400 from 100 to 2400
Polling Rate: Up to 1000 Hz; switchable: 125HZ/250HZ/500HZ/1000HZ (Default 500HZ)
Buttons: 8 (6 out of 8 ) are customizable
Tracking System: Optical
Interface: USB 2.0 full
Size: 5.0 x 2.6 x 1.6 inches
USB Length: 1.8M braided-fiber cable