How to connect Pins input/output

Hi Everyone,

i have project that need to connect usb device to PC using arduino, The device have power from external power supply and 2 cabels of data , so i have do like this :

Pin1,Pin2 = device usb data cabels.
Pin3,Pin4 = Pc usb data cabels.

My question is, how to connect Pin1 to Pin3 , and Pin2 to Pin4. is there special Pins i need to use to connect those cabels ?

Thank you so much

Standard Arduino boards cannot act as a USB host without a shield. What is the device that you want to connect ?

It's phone device, can you please advise how to do it ?

moradkh:
It's phone device, can you please advise how to do it ?

More details needed. Perhaps a link to the device ?