Granvela MechanicalEagle Z-77 Multicolor Backlit Mechanical Keyboard Tenkeyless Wired Gaming Keyboard with Blue Switches - DIY Replaceable Switches - Black REAL Mechanical, DIY Replaceable -- Innovative pluggable design mechanical keyboard allows you to replace all the switches by yourself. It comes with 5 PCS of free switches (Gaote switch/ Otemu switch) for you to replace. 9 Backlit Modes -- Easy to change mode by pressing FN+Ins; 8 modes gaming keys lighting-up patterns. Support selectable keys lights . Anti-ghosting 87 keys/n-key rollover-- Allows multi-keys to work simultaneously in high speed. Each key is controlled independently, which allows faster response in games.High Responsiveness and Durability -- Mechanical keys with medium resistance, nice click sound, and tactile feedback. Tested for over 50 million times keystroke. Ergonomic Designed -- the stepped keycap makes it sleek and the arc and slope fit your hands easily to prevent fatigue. Convenient Multi-media Keys FN+F1~F12 Provides Windows Key lock for gaming, multimedia controls for entertainment, email and calculator USB2.0 -- Compatible with Mac OS X,Windows10, Windows 8, Windows 7, Windows XP, Windows VISTA and Linux.