Correct Health E-blue Ekm716bkus-iu Lumiere Seico Series Backlit Office USB Wired Keyboard Blue backlit lighting effect: the E-BLUE first blue backlit office keyboard, coolest lighting and cool typing especially in the dark. Digit lightings guarantees you get the right focus, you could perform much better. 12 multi-media combination keys: you will find LUMIERE very convenient to entertainments, surf the net, play music or see a movie. ALL the adjustments can simply be achieved by the media combinations. Win lock keys: mistakenly type the windows key will no longer exit, the annoying pop up/lag will not bother you once you press the win lock key. USB plug, simple to go: high speed data transmission through USB, super stable while maintaining the data completeness.