PERIBOARD-522 Wired Mechanical Trackball Keyboard with Numpad Connection type:USB Type-A Built-in memory retains your preferred

Built-in memory retains your preferred setting even after unplugging or restarting

The wired connection ensures a stable

Built-in on and off switch button and auto power-saving feature

Integrated palm rest to support your palm and wrist for comfortable typing

brightness

PERIBOARD-522 Wired Mechanical Trackball Keyboard with Numpad Connection type:USB Type-A Built-in memory retains your preferredUnique designed Mechanical Brown Switch keyboard with built in 2. 17 Inch (55mm) large trackball and tilting scroll wheel 9 advanced function keys with multimedia and keyboard lock function Easy to remove and clean the trackball by taping it from the bottom hole of the keyboard Easy to adjust the sensitivity of the trackball movement by FN+F9