device (the USB Dongle is bound to unique equipment);
② If you need to re-bind the new Speakerphone with the USB Dongle,
control the distance between the USB Dongle and the Speakerphone
within 3 meters. When the Speakerphone is in the Bluetooth disconnect-
ed state, long press the Bluetooth button for 9s to enter the binding. In
this mode, the white light of the Bluetooth button flashes; after
unplugging and inserting the USB Dongle, the USB Dongle will be
re-bound successfully within 30s.
Note: After the Speakerphone is connected to the computer/Interactive
Intelligent Panel, you need to set the device as the default playback
device and recording device on the computer/Interactive Intelligent Panel
sound setting interface.
8