The type-C connector is host and the micro usb 2.0 connector is target.
it can't charge the type-c phone/tablet/laptop if you connect the micro usb 2.0 to power.
Type C connector is the new design for USB 3.1
New smaller size: similar to size of USB 2.0 Micro-B
Reversible Design for Type C connector
Reversible plug orientation Cable direction
Support Scalable power charging
for Tablet Mobile Phone Hard Disk Drive