2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) SC/UPC auspowers_batchfive Extra USB function for charging

Extra USB function for charging your phone and enjoy your long time journey Product Features: Connect through the car CD player directly

the number will be dialed out automatically

put it between cellphone and its phone case using 4 pcs of scratch-resistant protective films

54 mm Pitch 1-Pin male Adapter Cable Connector Accessories

2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) SC/UPC auspowers_batchfive Extra USB function for charging2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC UPC, Single Mode) Product Features FunctionFiber Optic Loopback Adapter is used to test the signal return in the system or network system. Through the return signal, various potential anomalies in the network link can be detected. High Quality MaterialPlastic PEI Shell, Insulation and Heat Resistance, Good Stability. Stable