Basic Use

How do I even use this thing?

The following are basic instructions on how to use the buttons located on the top of the Sandman Doppler. These instructions are also located on the bottom label of the Doppler. For setting up the Doppler see setup, and for adjusting additional settings, see app settings.

Set Time:

Hold until colon blinks, press or hold or  . Press to reset and to save.

12/24 Hour:

Press .

Set Alarm:

Hold until display bell blinks, press or hold   or  . Press to save and turn on alarm.

Turn Alarm On or Off:

Press .

Snooze Alarm:

Press  .

Mute Microphones:

Press .

Wake Voice Assistant:

Press .

Change Color:

Hold until display shows a rainbow, select color using or . Press to save.

Change Brightness:

Hold until display shows a rainbow, select brightness using or . Press to save. The number in the bottom right corner is the current brightness level, it goes from 0 (totally off) to 9 (the brightest). The Doppler will auto-dim if the room is dark enough. While in color setup mode (the one with the rainbow on top) you will see a sun if the Doppler thinks it’s bright enough for day mode and nothing if the Doppler thinks it’s night mode. The Doppler will remember and save your brightness preference for both day and night mode. 

Bluetooth Audio Pairing Mode:

Press .

Volume Down:




Volume Up:

Quick Access 1 (if setup in app):

Quick Access 2 (if set up in app):

Factory Reset:

Hold and until display shows “00:00”. Press to cancel or  to confirm. Note: In some versions of the Doppler, pressing also confirms the reset.



  1. Hi, is there a specific version of bluetooth that’s supported? I’m on a pixel 4xl and even though i see doppler in my ‘available bluetooth’ options, selecting it does nothing. thoughts?

    1. Hi Ryan, can you please try forgetting/removing the Doppler from the bluetooth settings and then pressing the bluetooth button (so it turns blue) and try pairing again?

    2. Tap the gear of the Doppler, there should be a slider for usage of audio. Then it works. I little delay voice to video.

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SND-01 Manual