The FSC-BP411 is a Bluetooth audio transmitter that supports both classic Bluetooth and LE Audio, compatible with Bluetooth 5.4, and featuring a USB 2.0 واجهة. The USB functionality of the FSC-BP411 is driver-free and compatible with Windows, Linux, and iOS systems. Upon connection, the USB is recognized as a composite device, comprising a USB audio input/output device and an HID device. Basic functions can be configured through button operations or via the HID device interface. The USB device is identified as FSC-BP411.

The LE Audio feature of the Bluetooth adapter supports both Broadcast Synchronous Stream (مكرر) mode and Connected Isochronous Stream (رابطة الدول المستقلة) وضع.