Soft cleaning cotton swab Clean the sound outlet of the headset.And other parts Clean the nib Clean the space deeply Headset cleaning pen Clean the earphone deeply without leaving dead space Storage box design Each tool is just put in,easy to carry Not easy to lose matters needing attention: The shaft body of the mechanical keyboard that can be inserted and replaced can be directly removed. For the keyboard used to fix the welding shaft, be to remove the solder from the shaft body pin before pulling out the shaft body, or use a soldering iron to heat and melt the solder from the pin while pulling out the shaft body Colour:As Shown Material:plastic Package Contents: 1 * 18-in-1 Computer Keyboard Cleaner Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.