MOST Fiber Optic Loop Bypass MALE & FEMALE Kit Adapter for Mercedes Stable characteristics, high reliability The MOST Diagnostic Kit helps quickly identify fault points, whether related to the motherboard transceiver or cable connection issues The optical fiber loop allows removal or addition of a single vehicle equipment without affecting the car's fiber-optic network Can diagnose and locate fault points when a node in the MOST (Media Oriented Systems Transport) system fails Bluetooth phone module is often damaged when opening stereo, causing intermittent sound or no sound; the fiber head of the phone module can be disconnected and connected to the fiber loop to deactivate the Bluetooth phone function, restoring audio immediately Fitment for Mercedes vehicles Attenuation: less than 180dB/km Working temperature: -55 Celsius to +85 Celsius Color: black Material: plastic Size: 115cm x 25cm x 12cm (L x W x H) Core diameter: 10 Finished product diameter: 23 x 2 Package Contents: 1 x Male Connector 1 x Female Connector Only the above package content, other products are not included Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3cm