HAVIT: among Amazon Top 10 keyboard sellers
Build-in Gaote / Outemu Blue mechanical key switches, Feel the Difference
Built with the all-new blue mechanical switches, help you take your game to the next level with more speed and precision. Provide a combination of great gaming performance with tactile feedback and an audible click for typing.
Full Anti-ghosting, Designed for Performance Gaming
Full key anti-ghosting mechanism for perfect signal quality, press FN + Pause to switch between 6-key-rollover and N-key-rollover (Mac OS support 6-key rollover only).
Backlit Brightness Adjustment
Only Blue LED Light, not Programmable; Default to be medium brightness, press FN + Esc to adjust 3 levels of brightness/ switch into breathing backlit mode
FN + F1-F12, convenient function keys; Aluminum top housing with sanded finish, metal base
Gold plated USB interface guarantees efficient and stable data transmission
Note: Mechanical keyboards take a bit more power than the traditional keyboards, it would be better for them to work with desktop since some older USB 2.0 laptops may not be able to provide enough output. Similarly, it may work better with USB ports locating at the back of the computer case than those in the front.
Full 1 Year Manufacturer’s Warranty
Specification:
438.2mm x 133.7mm x 38.2 mm
Cord Length: 1.8 m/70.87 inches
Standard Keys: 104
Key Switch: Blue switch
Operating Force: 80g
Travel (Total): 4.0mm
Net Weight: 1296g
Operating Current: 100mA
Operating Voltage: 5V
Service Life £¾50 million key operations
Compatibility: Win 10/Win 8/Win 7/Linux/Vista/Mac/IBM PC
Win key deactivation: Press Fn+Win key to lock/unlock Win key
from
http://mechanicalgamers.com/keyboard/havit-hv-kb376l-blue-led-backlit-wired-mechanical-gaming-keyboard-with-blue-switches-blue/