Design for MacBook Pro or MacBook Air7-in-1 design, with multiple functions, convenient to useThe HD port supports up to 4K 30Hz high-resolution videoUSB 3.0 port supports 5Gbps data transfer speedCompact size, fine workmanship, easy to carry and use Specification: Model No: HUB-M14Material: Aluminum alloy housing and ABSInterface: 1 x Thunderbolt 3, 1 x Type-C, 1 x 4K HD, 1 x SD Card Slot, 1 x TF Card Slot, 2 x USB 3.0Transfer Speed: 5GbpsHD Resolution: 4K 30HzProduct Dimension: 115x28.9x9.2mm or 4.53 x 1.14 x 0.36inCertificate: FCC, CE, RoHS Package included: 1 x Hub Adapter 1 x English and Chinese User Manual Not included other items Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.