Teswell 87-Key USB Wired Mechanical Gaming Keyboard with Blue Switches & Key Cap Puller (Black) Anti-ghosting: each key is controlled by independent switch, let you enjoy high-grade games with fast response Blue Switchs: provides great tactile feel, sensitive and responsive; 60+/-15 grams keystroke force and 4.0+/-0.2mm stroke travel Strong and Durable: made of top-graded ABS and metal material, with matte-finish texture and never faded key characters Ergonomic Design: ergonomic arc and slope, when you use this keyboard, your hands are not easily get fatigue Wide compatibility: supports Windows10, Windows 8, Windows 7, Mac OS X, Windows XP, Windows Vista