How to change the backlight of the keyboard?
FN+ Pause key: Change the LED lighting breathing
FN+ Scroll key: Change the LED color scheme
FN+ Prtscr key: Quickly change from 1 color to 3 color
FN+ Up/Down key: increase/ decrease LED lighting brightness
FN+ F1~F12 to unlock different functions for each buttons
Please press FN+ Down key to turn off the backlit. usually you need to press three times.

Package Content:
1 * Keyboard

• This is a mechanical feel gaming keyboard, not the real mechanical keyboard, but tones clear, feels good, user experience is similar to mechanical keyboard.
• Easy to Operate. USB plug and play, no driver needed. Anti-skid and waterproof design. ABS material, laser-etched, non slip design, splash proof and durable.
• Cool Background. LED backlighting on keyboard, 3 colour changeable breathing or permanent lighting mode. Easy type in the dark, in with cooler style.
• Gamer's Equipment. 104 keys, 19 keys non-conflict, mechanical feel keyboard, strengthened space key. Specially designed keys for enhanced durability and tactile feedback, mechanical keyboard feeling.
• User-Friendly. Quickly control each function, ergonomic design, comfortable to operate. Fit for windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP.

This is a mechanical feel gaming keyboard, not the real mechanical keyboard, but tones clear, feels good, user experience is similar to mechanical keyboard.Bolayu