1、9 in 1 Hub: Equipped with 1 4K High Definition Multimedia Interface port, 1 PD port, 1 Type c port, 1 USB 0 port, 2 USB 0 ports, TF card reader, 5mm audio hole ,Powerful. USB C male is compatible for Thunderbolt 2、Powerful High Definition Multimedia Interface and PD Ports: Fast charging for laptops, PD, 20V at 3A, supports up to 87W power adapter (input). The High Definition Multimedia Interface port is used for ultra high definition 4K video output. The High Definition Multimedia Interface port can be used at the same time to mirror or extend the display of a notebook computer to a TV, monitor or projector. 3、5Gbps Data Transmission: An additional 1 USB 0 port and 2 USB 0 ports are added for connecting multiple USB peripheral devices, such as flash drives, hard drives, keyboards, mice, printers, and MP3 players. Multi port HUB, eliminating the trouble of repeated plugging and unplugging. The USB 0 port supports ultra fast data transfer up to 5Gbps, transferring high definition movies or files in a few seconds. The USB port can charge other devices, high speed USB, Power supply up to 5W. 4、Read TF Card: Built in TF slots, you can easily access files in general card and Micro card. Supports simultaneous reading of 2 cards. Share your interests freely on your social networks. 5、Compatible: For MacBook 2021/2020/2019, for MacBook Pro 2018/2017, for Pro 2018, for SWITCH, for Chromebook, for HUAWEI mate20/mate20 pro, for S8/S9/Note8/Note 9. for SpectrePavilion, for Huawei Matebook, for Dell XPS series, Mi Airand supports Mobile phones and tablets with DP function. 1 x USB C Hub1 x Rubber Hat Item Type: USB C HubProduct Material: Aluminum AlloyInterface: 1 x High Definition Multimedia Interface, 1 x USB 3.0, 2 x USB 2.0, 1 x USB C, 1 x USB C (PD), Card Reader, Tf Card Reader, 3.5mm AudioHigh Definition Multimedia Interface: 4k x 2k (3840 x 2160), Backward Compatible with 1080p, 720p, Etc.USB: 1 x USB 3.0, 2 x USB 2.0, High Speed USB, Power Supply Up to 4.5W.USB C Female Port 1: PD, 20V at 3A, Support Maximum 87W Power Adapter (Input)USB C Female Port 2: High Speed USB C, Power Supply Up to 4.5WUSB C Male: Compatible for Thunderbolt 3, Ensure That the Host USB C Port on Your Device Complies with USB 3.0/ 3.1 SpecificationsTF Card Reader: TF Can Work at the Same Time. the Speed of Reading and Writing Depends on the Quality of the Card.Conform to USB C Interface Specification, Built in Conversion Chip, Plug and PlayAudio: An Interface Used to Transmit Audio Signals.