Get Started Today with the Future of Wireless Sound: Bluetooth LE Audio
Discover low-power, high-quality audio via LC3 codec, supporting multi-device streaming and broad connectivity.
- Cortex®-M33 @100 MHz
- Built-in TrustZone® security and cryptography
- Multiprotocol: Bluetooth 5.4, OpenThread, Zigbee, Matter & 802.15.4
- Small form factor 5x5mm
- Ultra-low power 41.8uA/MHz
Key user benefits
- High-quality audio with LC3 codec: lower bitrates, lower power
- Multi-stream audio: One source supports multiple receivers
- Auracast: Broadcast audio with nearby devices
- Easy integration: Works seamlessly with ST products & Bluetooth tech
Applications
- Audio devices
- Wearables
- IoT devices
- Automotive
Development boards to accelerate your design journey
- Discovery kit STM32WBA55G-DK1
- Nucleo-64 board NUCLEO-WBA55CG
Guatemala

