国名技术出的，供参考用。蓝牙干货，蓝牙核心协议，学习必备。

蓝牙核心协议Core_v5.0, 本来不要分，但最低2，谁要谁下载

蓝牙5.2核心协议, 主要更新BLE AUDIO. Bluetooth wireless technology is a short-range communications system intended to replace the cable(s) connecting portable and/or fixed electronic devices. The key features of Bluetooth wireless technology are robustness, low power consumption, and low cost. Many features of the specification are optional, allowing product differentiation.

蓝牙核心协议v5.3，蓝牙官网下载，2021-07-13发布