Driver: Jl-spp
For more information on the JL-SPP driver, please refer to the following resources:
Currently, users often encounter errors where the JL_SPP device appears as an "Unknown Device" or causes connection glitches because the operating system fails to automatically map the serial communication to a functional port. jl-spp driver
If you see this in your Device Manager under "Other Devices" with a yellow exclamation mark, it usually means your computer recognizes a Bluetooth-connected device (like wireless headphones, a speaker, or a mobile printer) but lacks the specific driver to communicate with its serial data channel. Common Causes & Solutions For more information on the JL-SPP driver, please

