For your reference, here is the key information on the Bluetooth audio SoC of the earbuds as follows:
The earbuds adopt Bestechnic BES2700IHC, which is a Bluetooth audio SoC (System on Chip) primarily used in wireless audio devices like earbuds and headphones. It is designed to deliver high-quality sound, energy efficiency, and support for advanced Bluetooth audio protocols.
The BES2700IHC is known for its high-performance Bluetooth connectivity, making it suitable for true wireless stereo (TWS) earbuds and other audio devices.