Buttons and ports
The Nordell MK3 has six buttons and three ports (ports are found under the protective flap):
1. Power button
Short press: does nothing (safety mechanism).
Long press: turns the speaker on or off.
2. M button (audio source)
Short press: switches audio source (Bluetooth → Micro SD → AUX).
Long press 2 sec: disconnects the current Bluetooth connection.
Long press 5 sec: starts Bluetooth pairing.
3. Unicorn button (3D / audiobook mode)
Short press: 3D widener on.
Second press: audiobook mode (clearer voice).
Third press: back to normal mode.
4. Play / Pause / Call
Short press while music plays: play / pause.
Short press when a call comes in: answer the call.
Short press during a call: end the call.
Double press: call back the last caller.
Long press when a call comes in: reject the call.
Very long continuous press: factory reset.
5. Volume down / Previous track
Short press: lower the volume.
Long press: previous track.
6. Volume up / Next track
Short press: raise the volume.
Long press: next track.
Ports (under the protective flap)
7. USB-C charging port
8. Micro SD card slot (max 64GB)
9. 3.5mm AUX jack
