From the manufacturer

Premium Gaming USB keyboard with ergonomic design and a textured plastic wrist rest (attached).
Highly durable, gold plated USB connector with 1.8 meter long braided cable.
Compatible with Computers and Laptops for long hours of fatigue less gaming experience. Just plug in the USB connector and use it directly.
16 RGB LED modes with double injection keycaps for the vivid and colorful backlit effect.
A dedicated control knob to adjust LED brightness / transition speed and Volume control / mute audio.
Full size keyboard with total 112 keys including dedicated multimedia and integrated multimedia.
Interesting features such as a Sound activated LED mode, LED brightness adjustment, LED transition speed control, All key and Windows key enable disable functions, integrated multimedia and dedicated hotkeys are all part of ZEB-TRANSFORMER K4 keyboard.
Durability is defined with ZEB-TRANSFORMER K4 keyboard as it’s keystroke life is 10 Million times
Providing comfort to type and the ease of controlling multimedia from within the keyboard, makes gaming and typing seamless and simple.
Get a detailed user manual along with the package contents