D2LS-21 (blue dot) conventional Strength, such as M905 left and right keys, G502 G900 G903 GPW wireless version of the original equipped with jog (side keys and function keys, etc.).
D2LS-11 (white dot) is a bit harder, suitable for those who like a hard feel, or the side buttons are not often used to change this style to avoid false triggering.
The two micro-movements are mainly the difference in strength.
The conservative life span is 5 million, and the actual life span is usually about 10 million times.
Package Include: 2pcs