Specification Details Core Deprecated Adoption: 3 Dec 2013Deprecation: 28 Jan 2019Withdrawal: 1 Feb 2023 Download Now Core Specification 4.1 This specification defines the technologies required to create interoperable Bluetooth devices. Errata Service Releases (ESR) ESR11 ESR10 ESR09 ESR08 Core Specification Addenda Core Specification Addendum 5 Core Specification Addendum 6 Specification Details Core Deprecated Adoption: 3 Dec 2013Deprecation: 28 Jan 2019Withdrawal: 1 Feb 2023 Download Now
