Thunderbolt 3 Type C USB C to Mini DisplayPort Adapter for Apple MacBook Pro. DO NOT USE with 2017 iMac. This cable is only compatible with Mini Displayport. If you are trying to connect to thunderbolt, this is not the correct cable. FOR EXAMPLE : You may not allow to use the cable with 2017 iMac, because its type c is a thunderbolt signal.. Condition:: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Modified Item: : No , Cable Length: : 6 ft.: Country/Region of Manufacture: : China , MPN: : Does Not Apply: USB Specification: : USB 3.1 , Connector A: : USB Type C Male: Connection Split/Duplication: : None (1 : 1) , Brand: : Unbranded: Type: : USBC-Mini DisplayPort Cable , Connector(s) B: : Mini DisplayPort: UPC: : Does not apply , 。