![background image](http://html1.mh-extra.com/html/valore/ruby-air/ruby-air_manual_3289333003.webp)
3) Controls (Making phone calls)
a) Play/Pause: In standby state, click the left or right touch surface to play. Click again to pause.
b) Next/Previous track: Click left earbud touch surface for 2 seconds for previous track.
Click right earbud touch surface for 2 seconds for next track.
c) Volume up/down: Click left earbud touch surface to volume up.
Click right earbud touch surface to volume down.
d) Answer/Hang up calls: Click the left or right earbuds touch surface to answer/ hang up calls.
e) Reject call: Click the left or right earbuds touch surface for 2 seconds to reject calls.
4) Start voice assistant
In pairing mode, click the left earbuds touch key to start voice assistant.