?Reliable & Portable?The tail's anti-bending design and nylon braided cover make it more durable. 24K gold-plated connector prevents oxidation and promotes its' durability. What's more, it's portable and easy to carry with your laptop. Perfect for stowing your bag, purse and wallet to save space. Buy with Confidence: 24-month warranty by SKW factory. ?Not Bi-directional Transmission?SKW 4K USB C to HDMI adapter is NOT BI-DIRECTIONAL transmission. Please note that input is the USB C adapter (laptop, tablet, phone) and the output is the HDMI adapter (monitor, TV, projector, etc). So make sure you plug in each end correctly (if not then you will get black screen from the device). ?Wide Compatibility?Works with Surface Book 2, Surface go, iMac 2017, Samsung Galaxy S21 S21+ S20 Ultra S20+ Z Flip S20+ Note 10 S10 S9 S8 Plus, HTC U11, Pixel book, Dell XPS 15 13, HP Envy 13, Galaxy Book, Chromebook, Chromebook Pixel, Intel NUC, Pixel Slat and MORE (see detailed section below) --- Please Note: for devices with USB 3. 1 Gen 1 and Smartphones, it may take longer time to sync. ?Plug & Play?No driver, software or complicated installation is necessary . Just use the adapter to connect the device to a projector, monitor or HDTV. You can instantly convert the USB-C port of your laptop or mobile phone to an HDMI port. ?USB C to 4K HDMI Adapter?SKW USB-C to HDMI Adapter instantly turn the USB-C port of your laptop or phone into an HDMI port. And the HDMI adapter helps you achieve to connect TV or display with an HDMI port to stream video in up to 4K resolution.