This product is a 8 in 1 HDMI-compatiable adapter include 4K@30Hz HDMI-compatiable port, 4 USB 3.0 ports, a SD/TF dual card reader and a USB-C power delivery charging port, USB 3.0 ports can transfer data with 5Gbps high speed transmission, suitable for USB flash drive, hard drive, keyboard, mouse, printer, U disk, MP3 player, etc. 4K@30Hz HDMI-compatiable port support 4K UHD @ 30Hz or full high clarity 1080P, SD and TF slots can easily access the file card and Micro SD card, supports 2 cards to read at the same time, the USB power delivery port supports up to 65W power delivery to ensure your laptop fully charged.This product comes with a compact and mini size, which can place in your backpack to record and share important moments instantly.Converter is made of plastic and metal material.Converter length is 13cm, width is 1.7cm and height is 3.3cm.It is suitable for laptops and smart devices with USB C ports, for Macbook Pro for Mate Book X for MI Air for Google Chromebook. USB C dock compatibility: Your tablet or notebook computer must comes with a USB Type-C port and can be charged and supports power transfer protocol.Item Name: ConverterMaterial: Plastic,MetalSize Details: Converter: 13cm x 1.7cm x 3.3cm/5.12'' x 0.67'' x 1.30''(Approx.)Notes: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.Note: 1: Connect the hard drive or multiple devices, please plug in the power.2: Usb c female port is dedicated for charging, not for data transmission.3: Does not support for Lenovo Yoga series.4: Due to power management, when using it for MacBook Pro, please plug in the power after booting. Otherwise, the computer may not work and cannot enter the system.Package Includes:1 x Converter