Brand – Cooler Master, Model – Cooler Master CK550 RGB Mechanical, Type – Mechanical Keyboard, Connection Type – Wired, Interface – USB, Language (English) – Yes, Lighting – Yes, Lighting Type – RGB, Mechanical (Key) – Yes, Dimensions (WxHxD) – 135 x 41 x 460mm, Weight – 850gm, Specialty – ON-THE-FLY CONTROLS, STANDARD LAYOUT, RGB BACKLIGHTING, BRUSHED ALUMINUM DESIGN, MECHANICAL SWITCHES, NEW & IMPROVED EASY-TO-USE SOFTWARE, Others – Switch Type: Gateron, Material: Plastic / Aluminum, Color: Gunmetal Black, LED Color: RGB, Polling Rate: 1000 Hz, Response Rate: 1ms / 1000Hz, MCU: 32bit ARM Cortex M3, On board Memory : 512KB, On-the-fly system: Yes, for Multi-media, Macro Recording and Lighting Control, Multi-media Keys: Through FN, Cable: Fixed Rubberized 1.8m, Connector Cable: USB 2.0, Cable Length: 1.8m, Blue Switch, Part No – CK-550-GKGL1-US CK550, Warranty – 1 year