FSC-DB006-BT691-PIN is a BLE Module 6-Pin Board designed for the FSC-BT691 BLE Module, offering users a convenient platform for testing. It features a Pin Port that allows direct connection to PCBA, saving time and ensuring stability during testing. Feasycom provides a free testing app and resources for users. When used with Feasycom’s free UART tool, users can fully control the FSC-BT691 module using AT Commands, enhancing development and testing capabilities.