True Wireless Stereo Bluetooth Earphone is a wireless headset based on a wireless communication system that transmits the encoded voice signal to the headset via Bluetooth communication technology. Because Bluetooth headphone do not require complicated wiring, they are loved by the general public.
The core Bluetooth stereo profile is A2DP. In addition, AVRCP is also a very important configuration file. To understand Bluetooth stereo, you must first understand the two configuration files. In general, with A2DP, you can use Bluetooth to transmit two-channel stereo music data. With AVRCP, you can use Bluetooth wireless control of music players.
Bluetooth stereo communication protocol is divided into: A2DP, HFP, HSP, AVRCP.