Type: Silent keyboard Features: 1. Triggered in milliseconds, quieter, total travel: 2.8mm with keycaps, decibels less than or equal to 35 decibels 2. Silent MINI low-profile axis, new self-developed silent low-profile axis, light and thin, triggered in milliseconds, typing without disturbing others, more focused on work 3. New silent structure, adding "silencer rings" to the guide rails on both sides of the axis to reduce the impact sound caused by the collision with the upper and lower covers during pressing and releasing 4. More than 50 million key service life: no fear of key failure and rebound problems during long-term use Category: Island MINI, Whale Fall MINI Island MINI: Operation force: 43 +10gf Conduction travel: 1.3 ± 0.30mm Total travel: 2.80 ± 0.25mm Mechanical life: 50 million times Whale Fall MINI: Operation force: 45 ± 10gf Conduction travel: 1.3 ± 0.3mm Total stroke: 2.80 ± 0.25mm Mechanical life: 50 million times Product size: 2cm*2cm*2cm Product weight: 2g Includes: 1pcs