FSC-BT955 it is a bluetooth audio module. It supports a Bluetooth Low Energy and BR/EDR compliant system for audio and data communication.
FSC-BT955 integrates an ultra-low-power DSP and application processor with embedded flash memory, a high-performance stereo codec, a power management subsystem, I2S, LED drivers and ADC I/O in a SoC IC.
By default, FSC-BT955 bluetooth audio module is equipped with powerful and easy-to-use Feasycom firmware. It’s easy to use and completely encapsulated. Feasycom firmware enables users to access Bluetooth functionality with simple ASCII commands delivered to the module over serial interface - it's just like a Bluetooth modem.