Acon sells the Thunderbolt 3 Passive Cable (.5 m) that you can use to get up to 40 Gb/s Thunderbolt 3 speeds on your Thunderbolt 3 enabled Mac or Windows PC's or transfer large 5K video or data files to most Thunderbolt 3 or USB Type-C enabled devices and peripherals rapidly at 1x 5K or 2x 4K resolutions.
The .5 m / 1.6 ft Acon passive cable also supports data transfer over the USB-C interface at USB 3.1 Gen 2 speeds (up to 10 Gb/s) as well as DisplayPort 1.2 and USB Power Delivery 3.0 technologies.
You can use the Acon Thunderbolt 3 Passive Cable (.5 m) to connect a daisy-chain of up to six Thunderbolt 3 based devices as well as supply up to 100 watts (20 volts @ 5 amps) of rapid charging power using USB Power Delivery 3.0.
The Acon Thunderbolt 3 Passive Cable (.5 m) only goes half a meter, but if you need longer passive cables you can also consider the Acon Thunderbolt 3 Passive Cable (.7 m) which is just slightly longer at .7 m / 2.3 ft.