1.USB-C USB 3.0 Adding a USB 3.0 port Compatible with your Samsung Galaxy A40USB-C equipped device connect a keyboard, mouse, flash drive and more USB-A peripherals, this driver- adapter gives you a highest data transfer rate of 5Gbps, plug and play 2.Compatible and Reliable Cable Plug-and-Play adapter allows you connect 2 items at the same time, maximize the connectivity and productivity of Compatible with your PD / Power Delivery / Type C devices, ultra compact and convenient when out for a business trip or travelling 3.Sturdy and Design Braided nylon cable and premium 2.5D unibody aluminum alloy casing are designed for durability and long-lasting performance. Easy plug and unplug ensures the protection Compatible with your Type-C ports, EMI protection also effectively prevents interference with wireless devices 4.Thunderbolt 3 Compatible Compatible with MacBook Pro 16''/15'/13'' (2021/2020/2019/2018/2017/2016), MacBook (2017/2016/2015), iPad Pro (2020/2018), Mac Mini (2018), iMac (2017); Surface Book 2; Galaxy Book, Galaxy S20/S10/S9; Dell XPS 15/13; Chromebook, Chromebook Pixel, Pixel Slate, Pixelbook Go, and others.Samsung Galaxy A40 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. Sold by-YJL official store