Cherry G84 4100 Keyboard
This is a interesting keyboard mechanical key switch, the Cherry ML switch.

it's mechanical switch with shallow depth. Kind of in between a full sized key and laptop type of key.
the key travel distance is 3 mm. The Cherry MX is 4 mm. 〔see Keyboard Key Switch Mechanisms〕
here's a good video review.

- https://youtu.be/d5nScpSnec4
- Cherry ML switch review: G84-4100 keyboard
- “Cherry G84 4100 Ultraslim Keyboard QWERTY”
- Buy at amazon