Bluetooth chips 5171 and 8675 are better chips, but they are suitable for different scenarios. The 5171 chip is suitable for low-power scenarios, such as motion trackers. The 8675 chip is suitable for higher power consumption scenarios, such as audio players and headphones. In addition, the 8675 chip has better audio processing capabilities and higher data transfer rates. In general, which chip you choose depends on the application scenario and requirements.
Bluetooth chip 8675 is better, Qualcomm CSR8675 Bluetooth SoC chip comes with a powerful DSP processor, can run Alexa wake up instructions,Alexa wake up the system, directly through the phone App wake up.