Product Usage4K USB C to Mini Displayport Cable connects a computer or phone with a USB Type-C port to a monitor HDTV or projector with Mini DisplayPort input. Only unidirectional from USB C to Mini DisplayPort (not Bi-directional). Compatible DeviceType C (Thunderbolt 3) port compatible with newest MacBook MacBook Air MacBook Pro iMac and iMac Pro with USB-C (Thunderbolt 3 port). Supports USB-C devices 2020/2019/2018/2017/2016 MacBook Pro 2020/2019 MacBook Air 2018 iPad Pro 2019/2018 iMac XPS 15/13 Surface book 2 Yoga 910 Galaxy S21/S20/S20+/S10/S9/S8 and Note 10/9 etc. It is compatible with almost all USB C laptop.

But the USB-C phone/tablet need support DP alt mode. ( Not Support Thunderbolt 2 Devices Not Support iMac with Thunderbolt )
Support High Resolution: 4K Thunderbolt 3 to Mini DisplayPort cable supports Ultra High definition video resolution up to 4K x 2K (3840 x 2160) @ 60Hz high precision 7.1 surround sound audio. Plug & PlayThunderbolt 3 to Mini DP cable is plug & play no need adapter or driver/software required with. Gold-plated connectors fit snugly with the USB-C ports on your devices for stable signal transfer. Please NoteUSBC to Mini DisplayPort cable does NOT work with Thunderbolt/Thunderbolt 2 port NOT support all old MacBook MacBook Air MacBook Pro Mac Pro or iMac with Thunderbolt/Thunderbolt 2 port. USB-C to Mini DisplayPort adapter cable is NOT compatible with audio interface or external hard drives.