Features: Smooth operation and smooth input experience. new and Clear sound eliminates bottom for touch noise paragraph mechanical axle keyboard switch Constructed of elastic material , the service life is up to 100 million strokes, which is twice that of normal mechanical switches. TTC speed silver switch improve switch accuracy and initial pressing force by double long spring structure design . It prevent accidental for touch and rapid rebound effectively The structure of the axis and switch body are matched. Whether switch is in a free state or triggering the working state, the switch coordination is for always as stable as a rock by TTC double-sided dust-proof wall patented technology . Specifications: Type:Gold Blue TTC for Brother Switch Quantity: 4 PCS Package Size: approx 5x5cm/1.97x1.97in Material: Plastic Switch Type: Linear Mechanical Life: 100Million Click Keyboard Standard: Mini Keyboard Operation Style: Mechanical Style: Standard Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 4 PCS x Linear Switches