Core Specification

This specification defines the technologies required to create interoperable Bluetooth devices. Development assigned to: Core Specification Working Group Provide feedback: [email protected]      

Volume Offset Control Service

This specification describes the service that exposes the volume offset of an audio output. Development assigned to: Generic Audio Working Group Provide feedback: [email protected] Related Specification(s):        

Volume Control Service

This specification describes the service that exposes a control interface and volume state on an audio device Development assigned to: Generic Audio Working Group Provide feedback: [email protected] Related Specification(s):        

Media Control Service

This service provides the client with the ability to control and interact with media players. Development assigned to: Generic Audio Working Group Provide feedback: [email protected] Related Specification(s):        

Published Audio Capabilities Service

The Published Audio Capabilities (PACS) service exposes server audio capabilities and audio availability, allowing discovery by clients. Development assigned to: Generic Audio Working Group Provide feedback: [email protected] Related Specification(s):        

Low Complexity Communication Codec

This specification defines a Low Complexity Communication Codec (LC3), which is an efficient codec for audio applications, including hearing aid applications, speech, and music. This version supports frame intervals of 7.5 ms and 10 ms. Development assigned to: Hearing Aid Working Group Provide feedback: [email protected] Related Specification(s):        

Hearing Access Profile

This profile defines the requirements for Bluetooth devices necessary for interoperability within the hearing aid ecosystem. It specifies behaviors related to audio streaming and remote control of the hearing aid using the Bluetooth Low Energy Audio (LE Audio) framework. Development assigned to: Hearing Aid Working Group Provide feedback: [email protected] Related Specification(s):        

Core Specification (amended)

This specification defines the technologies required to create interoperable Bluetooth devices. Note: After 1 July 2024, Errata Correction 18552 will be mandatory when claiming compliance to Core Specification 5.2. Important: This Bluetooth Core Specification version 5.2 was amended on 2024-06-11 by the Bluetooth Core Specification Amendment: Core Configuration and Compliance Updates and is effective 2024-07-01. […]

Core Specification (amended)

This specification defines the technologies required to create interoperable Bluetooth devices. Note: After 1 July 2024, Errata Correction 18552 will be mandatory when claiming compliance to Core Specification 5.3. Important: This Bluetooth Core Specification version 5.3 was amended on 2024-06-11 by the Bluetooth Core Specification Amendment: Core Configuration and Compliance Updates and is effective 2024-07-01. […]

Core Specification (amended)

This specification defines the technologies required to create interoperable Bluetooth devices. Errata Correction 11838 is mandatory when claiming compliance to Core Specification 5.1. Important: This Bluetooth Core Specification version 5.1 was amended on 2024-06-11 by the Bluetooth Core Specification Amendment: Core Configuration and Compliance Updates and is effective 2024-07-01. The full text of the Amendment is […]

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