A blue switch 60% mechanical keyboard offers a compact, tenkeyless design (around 60% of a full-sized keyboard) with blue mechanical switches. These switches are known for their tactile feedback and audible "click" sound with each keystroke, making them popular for typists and gamers who enjoy the feedback. 

Key Features:

Compact Size:

60% layout omits the number pad, arrow keys, and function keys, resulting in a smaller footprint. 

Blue Mechanical Switches:

These switches provide a tactile bump and a distinct click sound when a key is pressed, offering a satisfying typing experience. 

Wired or Wireless:

Some models offer both wired (USB) and wireless (Bluetooth or 2.4GHz) connectivity, providing flexibility. 

RGB Backlighting:

Many 60% blue switch keyboards feature customizable RGB backlighting, allowing users to personalize the keyboard's appearance. 

Anti-Ghosting:

This feature ensures that multiple key presses can be registered simultaneously, which is important for gaming. 

Durability:

Blue switches are known for their durability, often rated for millions of keystrokes. 

Ergonomics:

Some keyboards may have adjustable tilt legs for a more comfortable typing angle. 

Plug and Play:

Most 60% blue switch keyboards are plug-and-play, requiring no additional software installation.