How do i pick which switch im buying if there's three choices?

The product offers a choice of mechanical switches: GX Blue Clicky Switches for an audible click and tactile feedback, GX Red Linear for smooth keystrokes, and GX Brown Tactile for a discernible bump through actuation.

what kind of switches?

The keyboard is available with GX Blue Clicky Switches, GX Red Linear switches, and GX Brown Tactile switches.

Questions & Answers: Refurbished: Logitech G513 Lightsync RGB Mechanical Gaming Keyboard - Cable Connectivity - USB 2.0 Type A Interface - English - Windows - Mechanical Keyswitch - Carbon

Home
Gaming & VR
PC Gaming Accessories
Gaming Keyboard
Logitech
Item#: 9SIA15TKMD8126
Questions & Answers

double click image to zoom in

Top Rated Shop All Logitech Products | Visit Secondipity Store

Logitech G513 Lightsync RGB Mechanical Gaming Keyboard - Cable Connectivity - USB 2.0 Type A Interface - English - Windows - Mechanical Keyswitch - Carbon

Sold as 1 Each.
Keyboard for improved experience.
Wired gaming keyboard for lag-free input.
Works on Microsoft Windows.
USB connectivity makes it compatible with a wide range of modern devices

$90^.00 –