Following is the introduction for all switches (standard cross and dust-proof switches are same feeling ) Blue switches : percussion is crisp, loud and crisp ears, paragraph switches , strong mechanical sense ; Red switches : The sound is much smaller than the blue switch, but it triggers quickly, labor-saving, and no sense of paragraph (can use on both office or game); Brown switches : slightly stronger paragraphs, rebound and smooth, can be regarded as the noise reduction version of the blue switches , suitable for typing; Black switches: no sense of paragraphs, short stroke, fast trigger, suitable for games in a short time and high trigger in time, but relatively large pressing force ; Purple switches: A upgraded version of the brown switch, which is roughly similar to the brown switch, and belongs to the paragraph axis; Green switches : an enhanced version of the blue axis, a bit stronger than the blue axis, belonging to the paragraph axis; Golden switches : trigger faster than the blue switches, the paragraph feels crisp and similar to the blue switches; Silver switches: trigger faster than black switches and red switches , long-time tapping effortlessly, no finger tired (gaming recommendation); Package includes: 10Pcs switches