If you want to investigate further, here's how to locate the device entry and examine its properties:
Right-click > Update driver > Browse my computer for drivers .
: Since SPP connections can be brittle, a "Silent Reconnect" feature would allow the driver to cache the last state and resume the data stream immediately upon signal recovery without manual user intervention. Implementation Goals Speed Enhancement
The JL-SPP driver boasts several key features that make it an essential component in many applications: jl-spp driver
A: This indicates your computer continues to detect a Jieli-based Bluetooth device. Turn off nearby Bluetooth devices or unpair them to prevent re-detection.
: Voice-recognition and sound-playback chips for toys and smart appliances. Step-by-Step Installation Guide
As of 2025, Jieli has begun migrating many of its newer chips (e.g., AC700 series) to standards, which are natively supported by Windows without extra drivers. However, hundreds of millions of legacy devices (smart speakers, kids' toys, Bluetooth dongles) still require the classic jl-spp driver. If you want to investigate further, here's how
The is the software layer (firmware or OS driver) that implements the Bluetooth SPP protocol specifically on Jieli chipsets. It allows the chip to:
If you see this in your Device Manager with a yellow exclamation mark, it usually means Windows has detected the Bluetooth hardware but lacks the specific proprietary software to initialize it. This commonly happens when:
, a Bluetooth protocol that allows for wireless data exchange between devices as if they were connected by a physical serial cable. Turn off nearby Bluetooth devices or unpair them
Select or Bluetooth Devices from the category list.
Windows may not automatically install an SPP driver for JL devices. If the device shows up as "JL-SPP" with a yellow exclamation mark:
Scroll to the top and look under or Bluetooth . Locate any lines reading JL_SPP . Right-click the item and click Uninstall device .