What are the Bluetooth specifications of the Redmi A3?

The Redmi A3 adopts Bluetooth version 5.4. Bluetooth 5.4 is an updated version of the Bluetooth wireless communication standard, building upon the features of Bluetooth 5.0 and its subsequent revisions.
Bluetooth 5.4 enhances the experience by offering faster, more reliable connectivity, better audio quality, and improved energy efficiency, making it suitable for a wide range of applications from smartphones and tablets to IoT devices and audio peripherals.
The Redmi A3 supports AAC/SBC audio protocol and Bluetooth HID (Human Interface Device).