If you are using a USB Bluetooth audio transmitter, such as a device from Creative, it's possible that your computer scanned it and identified its internal Jieli components, leading to the driver prompt.
: SPP is not the same as HID or A2DP. It does not handle audio – only raw serial data.
Method 1: Force Windows to Map a Standard Bluetooth Serial Link jl-spp driver
In the Chinese forum case, the user replaced their USB Bluetooth dongle with an Intel AX210 PCIe card; the JL_SPP entry disappeared completely, and all Bluetooth connection problems were resolved.
Since SPP is a generic protocol, you can manually route the JL-SPP interface into the integrated Windows Bluetooth Serial emulator. If you are using a USB Bluetooth audio
SPP allows devices to set up a virtual serial connection. In the context of Bluetooth earbuds, this profile is often used by companion apps, for data transmission (like updating earbud firmware), or for specific button mapping features.
Before attempting any fix, it is highly recommended to simply the "JL_SPP" entry. In the vast majority of reports, users have stated that despite this unknown device, their computers, Bluetooth adapters, and paired devices all worked perfectly without any errors, freezes, or performance issues. Attempting to fix a non-issue can sometimes cause more problems than it solves. Method 1: Force Windows to Map a Standard
The is a specialized communication software layer that enables a Windows operating system to interact with devices utilizing the Serial Port Profile (SPP) via a JieLi (JL) Bluetooth microchip . When your computer throws an "Unknown Device" error in the Device Manager labeled JL_SPP , it indicates a missing link between your PC's hardware and a connected Bluetooth or USB serial peripheral—commonly cheap wireless headphones, custom audio receivers, or data-logging devices.
: Users frequently encounter this driver when pairing devices like JLab headphones , JL Audio systems , or when connecting an iPhone to a Windows machine via USB-C, which may trigger a request for a proprietary serial interface.
Jieli drivers older than 2020 are . Windows 10/11 will block them unless you disable signature enforcement temporarily. To avoid this, always aim for version 2.0.1.3 or newer, which passed Microsoft’s Hardware Certification.
Often, the easiest way to source a signed virtual COM driver is to let Microsoft browse its Hardware Quality Labs (WHQL) database. Press Windows Key + X and select .