Jl-spp Driver Updated

The is a virtual serial port driver specifically for Bluetooth devices using chips from JieLi (also known as "Jerry" or "JL" chips). These chips are extremely common in budget-friendly Bluetooth speakers, headphones, and USB adapters. The "SPP" stands for Serial Port Profile , which allows your computer to communicate with the Bluetooth device as if it were a physical COM port. Why You See "JL_SPP" in Device Manager

refers to the Serial Port Profile driver implementation for Jieli (JL) Bluetooth SoCs . It allows the Bluetooth module to act as a virtual serial port over a Bluetooth connection, enabling: jl-spp driver

You might have installed only the DFU (Device Firmware Upgrade) driver, not the SPP driver. The is a virtual serial port driver specifically