Compliant with USB 3.1 Gen 1 Specifications Full-Featured USB-C Port Enables Reversible Plug Orientation and Cable Direction Supports a 2-pin Terminal Block Connector for external power input from AC adapter (included) Supports 15KV ESD Surge Protection for Each Port Form Factor: 5.23inch(L) x 2.42inch(W) x 1.43inch(H) (13.30×6.15×3.63 cm)