Core Specifications

The Bluetooth® Core Specification defines the technology building blocks that developers use to create the interoperable devices that make up the thriving Bluetooth ecosystem. The Bluetooth specification is overseen by the Bluetooth Special Interest Group (SIG) and is regularly updated and enhanced by Bluetooth SIG Working Groups to meet evolving technology and market needs. 

Adopted Bluetooth Core Specifications

Specification​ Date Ad​opted Status
Core Version 5.0 06 December 2016 Active
Core Specification Supplement (CSS) v7 06 December 2016 Active
Core Specification Addendum (CSA) 6 12 July 2017 Active
Core Specification Addendum (CSA) 5
15 December 2015
Active
Core Version 4.2
​02 Decem​ber 2014 ​Active​