Product Card

3、function declaration ：
function
require
remark
Support Bluetooth 5.0
protocol
Bluetooth supports version 5.0 of the core protocol, as well as the
Bluetooth Profile (A2DP, HFP) involved in the related voice call
dongle.
Supports USB Audio
audio transmission
The PC sends the audio output to a dongle via USB Audio channel,
and then the dongle sends it to the receiving device (speaker or
headset) via Bluetooth A2DP.
Support USB Audio
voice call hands-free
One end of the dongle is connected to the PC through USB Audio
channel, and the other end is connected to the Bluetooth speaker or
headset through Bluetooth HFP as an AG role. Thus, the Bluetooth
speaker or headset can be used to realize the hands-free function of
the calling software on the PC.
Support ordinary voice
and HD voice when
voice calls
Voice calls can support ordinary voice (8K sampling rate, CVSD
codec), can also support WBS (that is, broadband voice: support 16K
sampling rate and MSBC codec).
Bluetooth audio
transmission support
AVRCP control
The receiver can control the transmitter through AVRCP to play,
pause, up and down switch and so on
Bluetooth audio
transmission supports
digital volume
adjustment
When bluetooth is transmitted, if the connected bluetooth speaker end
does not support volume synchronization, you can adjust the digital
volume of the sent data.
Support volume
synchronization for
Bluetooth audio
transmission or voice
calls
Support receiver and transmitter volume synchronization function,
that is, the receiver and transmitter use a common volume.