SPECIFICATION Model: MT-MK007 Color: Black+Gray No. of keys: 104/105 Dimension: 440*134*38 mm Anti-Ghosting: Full keys Weight: 830±5g Keyboard type: Mechanical Error-free running time: More than 50 million times Interface: Gold-Plating USB Compatible Systems: Win XP/Vista/7/8/10/11/MAC OS Cable length: 1.8±0.01m