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What version of Bluetooth is on my board?

Unexpected Maker TinyPICO and ESP32-S3 boards ship with Bluetooth capabilities, but they differ in what classes you get and the version of Bluetooth LE supported.

See the chart below.

ESP32 Chip

ESP32

ESP32-S2

ESP32-S3

Bluetooth Classic

Yes

Bluetooth Low Energy (BLE)

BLE 4.2

BLE 5.0

Mesh

Yes

Audio

CVSD and SBC

No Bluetooth Audio on the ESP32-S3?

The common Bluetooth audio that most people know is called A2DP and is part of the Bluetooth Classic class, which is not supported on the latest ESP32 chips (S3, C3, C6 etc).

There is a new BLE Audio standard, but it came out as part of BLE 5.3, which is newer than the BLE that shipped in the ESP32-S3.

Updated on August 25, 2023

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