1 ，Gasket-mount Design ,79 keys+ knob
2， 3-mode Connnectivity : BT+2.4G+Wired
3 ，Custom Mambo Mint Switch
4 ，Premium CNC Aluminum Construction
5 ，One-knob control: Backlight, brightness and media
6 ，Gradient Red , Side-printed keycaps
7 ，MAC/WIN Function Switch, Automatic power saving