Shell in order to adapt to what
provide different single, double or three angle adjustment Conventional keyboard with CapsLock (letter size lock),
NumLock (digital keypad lock), ScrollLock three indicator lights, marking the current status of the keyboard.
this design can determine the current state of the keyboard more easily
?These lights are generally located in the upper right corner of the keyboard, but there are some such as Ergonomic KB and HP keyboard ACER keyboard with built-in cap indicator,
