@CHRISTOPHE KLEIN
Hello.
Thanks for your message.
For you information, our standard combo includes 2 * USB adapter to connect original USB of some Toyota vehicles.
If your original USB cannot connect to our USB adapter, we suggest you can use our single/dual USB cable directly.
Besides, our cable is integrated one, please ignore the extra unconnected cable.
Regarding to your question, our team have followed up by email.
Please pay attention to your mail box and discuss the details further with our personnel in the email.
✉️Email: support@dasaita.com