What are the audio and Bluetooth protocols of the Redmi Buds 6 Pro?

The Redmi Buds 6 Pro supports audio decoding protocols including SBC, AAC, and LDAC, along with Bluetooth transmission protocols such as BLE, HFP, A2DP, and AVRCP.
The detailed introductions are as follows:
1. SBC (Subband Codec): A basic audio codec for Bluetooth audio transmission, widely compatible but offers standard sound quality;
2. AAC (Advanced Audio Codec): An efficient audio codec delivering higher sound quality, ideal for music playback;
3. LDAC: A high-resolution audio codec, supporting up to 990kbps transmission for near-lossless audio quality;
4. BLE (Bluetooth Low Energy): A low-energy Bluetooth protocol designed for power efficiency, ideal for wearable devices and earbuds to extend battery life;
5. HFP (Hands-Free Profile): A protocol for hands-free functions, enabling features like answering, ending calls, and managing calls via earbuds or car systems;
6. A2DP (Advanced Audio Distribution Profile): A protocol for stereo audio transmission over Bluetooth, used for music streaming;
7. AVRCP (Audio/Video Remote Control Profile): A protocol for remote control of audio or video playback, such as play, pause, skip, or rewind, via earbuds or other Bluetooth devices.