Product Card
Table Of Contents
图 4
3. Function Description:
function requirements note
Supports Bluetooth
5.0 protocol
Bluetooth supports the 5.0 core protocol and the Bluetooth Profile
(A2DP, HFP) related to dongle for voice calls.
Support USB Audio
transmission
The PC sends the audio playback data to the Dongle through the
USB Audio channel, and the Dongle sends the data to the receiving
device (speaker or headset) through the Bluetooth A2DP.
Usb Audio supports
hands-
free voice
calls
One end of the Dongle is connected to a PC through a USB Audio
channel, and the other end is connected to a Bluetooth SPEAKER or
headset through a Bluetooth HFP as an AG, enabling the phone to
be hands-free using a Bluetooth speaker or headset.
Voice calls support
common voice and
HD voice
Voice calls support common voice (8K sampling rate, CVSD codec)
and WBS (broadband voice: 16K sampling rate and MSBC codec).
Bluetooth audio
transmission
supports AVRCP
control
The receiver can control the transmitting end by AVRCP to play,
pause, bend up and down switch, etc
Bluetooth supports
digital volume
adjustment when
transmitting audio
During Bluetooth transmission, if the connected Bluetooth speaker
does not support volume synchronization, you can adjust the
digital volume of the sent data.
Bluetooth supports
volume
synchronization for
Supports volume synchronization between the receiver and
transmitter, that is, the receiver and transmitter use the same
volume.