csr8675硬件支持蓝牙5.0还是4.2？5.0是不是后来软升级达到的效果？ 另外这颗芯片有什么优势，相较realtekRTL8763B等蓝牙芯片？

自己收集的材料

Embedded Flash Solution for Premium Bluetooth Audio Applications

CSR8675 is a premium tier single-chip solution delivering high quality wireless audio performance and supporting the development of highly differentiated premium wireless audio products. Integrated support for aptX, aptX HD, Active Noise Cancellation and Qualcomm TrueWireless stereo.

CSR8675, Qualcomm Kalimba, Qualcomm aptX, Qualcomm cVc and Qualcomm TrueWireless are products of Qualcomm Technologies, Inc., and/or its subsidiaries. Featured Documents Product Brief Specifications DSP DSP Technology: Qualcomm® Kal