Displays the current status of your phone to others. Flashes blue for incoming calls on Lync/Skype for Business. Acoustic ringtone with adjustable and assignable tones. Presence colors: red, violet, green, yellow, blue. The Kuando Busylight Omega USB is an LED signal light for your workspace. Even without wearing headphones or being directly at your desk, you won't miss a call. The Busylight LED flashes for incoming calls on Lync. An additional ringtone can be activated optionally, or it can be switched to purely acoustic notifications. Eight ringtones are available for incoming calls and instant messages. Additionally, the Kuando Busylight signals to your colleagues when you are on a call, reducing interruptions while you are talking.