Compact dimension: 1.18 x 0.5 x 0.3 inch. Our USB C to USB adapter fits those laptop/Notebook/tablet with USB Type C port. Compatible with MacBook Pro 14 inch 2021 A2442;compatible with MacBook Pro 16 inch 2021 A2485/2019 2020 A2141;compatible with MacBook Pro 13/15 2020-2016;compatible with MacBook Air 13 2020-2018;compatible with iPad Pro 11 2021;compatible with iPad Air 4 10.9 2020;compatible with iPad Pro 11/12.9 inch;compatible with Surface Book/Laptop;compatible with HUAWEI MateBook 13/14. Plug the adapter USB Type-C end into laptop USB-C port, then connect another female USB 3.0 port to standard USB-A device, such as mouse, keyboard, SSD, flash. Support OTG function to load USB flash disk directly. This USB-C to USB-A connector also support synchronous charging to your phone and tablet with data transfer speed up to 5.0Gbps. This Type C to USB 3.0 converter is made of Aluminum alloy with baking finished surface. Smooth but scratchproof. It will not affect Wifi signal, cause heat issue. 2 pack per set. As our most considerate design, 1 anti-lost rope is included for easier carrying. 1 year warranty on each USB to USB adapter.