If you are seeing a "JL_SPP" error or an unknown device, you can usually resolve it through standard Windows tools:
: Sending diagnostic information or small bursts of data between the device and a PC. Legacy Support jlspp driver exclusive
Most reviews highlight a large sweet spot and a high-MOI (Moment of Inertia) design, which helps keep off-center hits relatively straight. If you are seeing a "JL_SPP" error or
, it typically means Windows cannot find the specific handshake protocol for that Bluetooth device. Check the Device Manufacturer jlspp driver exclusive