Finally you don’t have to buy their overpriced mouse or trackpad to get one and order it separately
Link here
Hopefully it should work with all future iPhones with Type-C ports.
Link here
60W USB-C Charge Cable (1 m)
This 1-meter charge cable has USB-C connectors on both ends and is ideal for charging USB-C devices. Also supports USB 2 for syncing and data transfer between USB devices.
www.apple.com
Hopefully it should work with all future iPhones with Type-C ports.