The is a software component primarily associated with the Bluetooth Serial Port Profile (SPP) for devices using JieLi (JL) chips . These chips are commonly found in budget-friendly Bluetooth peripherals like earphones, speakers, and wireless transmitters.
In my device manager, I came to know about one category called Other devices. In that there is one device with name JL_SPP device. Acer Community
Refers to Jieli , a major Chinese manufacturer of low-cost Bluetooth and multimedia chips found in millions of consumer electronics. jl-spp driver
Understanding the infrastructure behind the JL-SPP driver prevents you from installing unnecessary malware or registry cleaners.
Assume the JL-SPP has:
Verify the COM Port: Once installed, the device should appear under "Ports (COM & LPT)" as "JL-SPP" followed by a port number (e.g., COM3). Common Troubleshooting Steps
Uploading new code or custom ROMs to Bluetooth speakers and headsets. The is a software component primarily associated with
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
The JL-SPP Driver is a USB-to-serial/SPP (Serial Port Profile) driver package commonly used to enable serial communication between devices (microcontrollers, embedded boards, or Bluetooth modules) and Windows/macOS/Linux hosts. It aims to provide stable virtual COM ports, low-latency data transfer, and broad compatibility with development tools and terminal programs. In that there is one device with name JL_SPP device
JieLi chips feature a watchdog timer. If the chip enters download mode but does not receive a command from the PC programming tool within a few seconds, it will automatically reset and attempt to boot into its standard Bluetooth application mode.