The Feasycom FSC-BT631D is a LE Audio module that utilizes the Nordic nRF5340 chip, supporting both BR/EDR and LE Audio. This module comes preloaded with Feasycom's powerful and user-friendly firmware. It is designed to be easy to use and fully encapsulated, providing a seamless integration experience. With Feasycom firmware, users can access Bluetooth functionality through simple ASCII commands delivered to the module over a serial interface. It functions like a Bluetooth modem, allowing developers to easily incorporate Bluetooth wireless technology into their designs. The FSC-BT631D module from Feasycom offers an ideal solution for developers seeking to integrate Bluetooth wireless technology into their designs. Its powerful features and ease of use make it a versatile choice for a wide range of applications such as LE Audio, home automation, multimedia players, medical application, and true wireless earbuds.