Easy to use, just plug to install.
The input of the round end connects to the DC device.
Note:
The connector is only for converting, it is NOT for data transmit.
Tags:$0 - $20,4.0mm x 1.7mm,Chargers & Adapters,Computer Accessories,Connectors & Converters,DC Connectors,Electronics,Office & Computer
Size - 4.0mm x 1.7mm