Product Card

As shown in Figure 3 below, it is mainly used in the home living room scenario, where the TV sound is emitted to
the Bluetooth speaker or headset through the Dongle.
Figure 3
2、The principle diagram
This case the principle diagram of the following block diagram is shown in FIG. 4, the computer via usb audio
dongle and connection, the dongle via bluetooth A2DP HFP and bluetooth speakers or headphones, you can put the
music on the computer to bluetooth speakers or headphones, or use a bluetooth speakers or headphones through chat
software or a conference call with a friend for voice calls, through usb HID the AVRCP and bluetooth, bluetooth
speakers or headphones can also do some control of the PC play.