Manual
Page 4
... Blue: mode 5 2 Macro Keys: One profile mode is bundled with 5 programmable Macro hot keys. 3 Touch and slide volume control area: Built-in touch sensor with mute key and six levels of audio volume.
... Blue: mode 5 2 Macro Keys: One profile mode is bundled with 5 programmable Macro hot keys. 3 Touch and slide volume control area: Built-in touch sensor with mute key and six levels of audio volume.