USB type C-key aspects:

Entirely new design-tailored for emerging product designs

New smaller size-similar size to USB 2.0 micro B

Usability enhancements-reversible plug orientation & cable direction

Supports scalable power charging

Future scalability-designed to establish future USB performance needs

Mechanical specs.:

Receptacle opening: ~8.5mm x ~2.5mm

Durability: 10,000 cycles

Improved EMI and RFI mutation features

Power delivery capacity: 3A for standards cables, 5A for USB connectors