Features：
100% Anti-Ghosting 104，double-shot injection molded keycaps are (RGB) LED backlit. Player can simultaneously click multiple function keys without program error. All the keys are controlled by an independent switch in ways that ensures fast response and extraordinary gaming experience for our players.

Customized mechanical blue switches make it possible for 50 million times keystrokes and fast responsiveness. Mechanical keys can provide an all-around gaming experience for players with medium resistance, nice click, and quick feedback.

RGB adjustable LED backlights offer 6 backlight themes and 18 backlight models. Player can press ‘FN’ Ins, Home, PgUp, Del, End and PgDn to change as they like.
Support WinXP/Vista/Win7/Win8/Win10

Customized mechanical blue switches make it possible for 50 million times keystrokes and fast responsiveness. Mechanical keys can provide an all-around gaming experience for players with medium resistance, nice click, and quick feedback.

RGB adjustable LED backlights offer 6 backlight themes and 18 backlight models. Player can press ‘FN’ Ins, Home, PgUp, Del, End and PgDn to change as they like.
Support WinXP/Vista/Win7/Win8/Win10

Keyboard Setting:
6 themes switchable backlight colors
18 models backlight colors
4 LED brightness levels
104 standard anti-Ghosting keys
All non-conflict keys; 12 multimedia keys
WIN keys can be disabled when gaming; laser engraved chiclet keycaps

Technical Specifications:
Connector: Gold-plated USB
LED backlit color: Choose between seven colors
Keyboard Size: 17.2x6.78x1.5 inches
Keyboard Weight: 2.8 pounds
Multimedia keys: 12
Material: Aluminum alloy ABS

Package List:
1x Redragon K557 RGB 104-key mechanical gaming keyboard
1x User manual
1x Keycap Puller.
8x Free Switches for DIY
1x Warranty card

Please Notice: No CD software included.