Features:Fiber coloane s to help you quickly find the point of fai, regardle of the motherboardnsceiver probl, or connected to the light problOptical Fiber Loop can delete or add individual automotive equipment which does not affect the car fiber-opticnetworkBluetooth phone module was often damaged when opening stereo, the sound went intermittently, sometimesno with no sound, the fiber head of the phone module can be pulled out, connected to the fiber loop, deactivate theBluetooth phone function, audio immediately returns to normal.Specification:Suitable for cars such as BMW, Mercedes Benz, Audi, for Core diameter: Φ1Attenuation: 180dB/kmOperating temperature: -55℃-+85℃Material: PlasticColor:orangeNote:Please allow 1-10mm deviation due to manual measurement.Due to light and screen difference, the item's color may be slightly different from the pictures.Package included:1x Fiber Optic Loop Cable Lead male Connector