Specification:BrandMagicRefinerModelMK9Keys Amount108 KeysColorBlack, WhiteSwitchBlue SwitchConnectionUSB WiredMaterialABS + Aluminum AlloyVoltage4.5-5.5VSize450 * 160 * 35 mmWeight1460gSystem SupportWindows /Android/Mac OSAnti-Ghost KeyNKROBacklitRGB BacklitFeatures:1.Embedded RGB lighting design, each LED lights 256 level PWM, real panchromatic control, 16.8 million color Settings and a variety of cold light lighting effects, for the game to increase brightness.2.108 Keys are designed with different heights. according with ergonomic design and offer comfortable hand feeling.Package Included:1 *Mechanical Gaming Keyboard