btrez.dll has 68 known versions, the most recent one is 12.0.0.6300. The average file size is about 17.26 MB. It is an authenticode code-signed executable issued to Broadcom Corporation by the certification authority VeriSign. The programs WIDCOMM Bluetooth Software, Broadcom Bluetooth Software and Software Bluetooth WIDCOMM have been observed as installing specific variations of btrez.dll. This is a .NET Common Language Runtime (CLR) assembly.
btrez module for Broadcom's OEM distributed Bluetooth Windows software drivers. This module is installed as part of the OEMs driver updates.
United States installs about 27.16% of Bluetooth Software.