This product is either discontinued or we cannot get that from suppliers.
Satechi ST-TCUPS, Interface USB 3.0, USB hub, Silver, Usb-c Usb Pass Through Hub, Aluminium Design, Recommended for MacBook 12-inch models, Charging up to 60W, SD card slot, and a Micro SD card slot.
The new and improved Type-C Hub is here. Still offering everything you loved from our Type-C USB 3.0 Hub, the Pass-Through USB Hub now offers a USB-C Port enabling your MacBook to be charged while the adapter is plugged in.