This is a mechanical feel gaming keyboard, not the real mechanical keyboard, but tones clear, feels good, user experience is similar to mechanical keyboard Radium carved hollow characters, with rainbow light shifting, easy typing in the dark Floating manipulator feeling, better gaming experience Front waterproof design, with drainage holes at the bottom to prevent liquid splashing Anti-slip roller, matte surface cover Easy to operate, USB plug and play, no driver needed. Specification: Keyboard line length: 135cm Keyboard size: 440*130*40mm Keybard keys: 104 keys Mouse line length: 135cm Mouse button: 3 millon times Mouse size: 125*68*38mm Mouse key: 3 System support: compatible with win 2000/XP/Vista/7/8/10 Package included: 1 x Keyboard 1 x Mouse