2-YEAR WARRANTY & SATISFACTION GUARANTEE USB 3 HUB CARD READER: Guanda Technologies offers a worry-free, 30-Day money-back guarantee if you are not 100% satisfied with your purchase. We also provide a 2-YEAR WARRANTY and lifetime help desk technical support. CERTIFIED SAFE & RELIABLE USB 3.0 ADAPTER HUB: Approved by the FCC, California Proposition 65, CE and RoHS, the Guanda dock station has the latest master chip built-in to ensure the best port operation and protection from over-current, over-voltage, and over-temperature. UNIVERSAL COMPATIBILITY USB HUB EXTENDER: Compatible with MacBook, MacBook Pro, iPad Pro 2018, MacBook Air 2018, iMac/iMac Pro, Mate Book X, MI Air 12.5/13.3, Google Chromebook 2016 & Pixel, Dell, ASUS, HP, Lenovo & other laptops, and certain Samsung Galaxy, LG & Huawei cell phones. 13-IN-1 TRIPLE DISPLAY USB C DOCKING STATION WITH POWER DELIVERY: Includes Type C PD charging port, 4 USB 3.0 ports (5V 1.5A & 5V 0.5A), 4K HDMI port, 4K DP port, VGA port, Gigabit RJ45 port, SD, Micro SD & TF memory card readers, & a mic/audio port. Supports stable connection, transmission & easy access to files. SMART LOOKING HARDWARE: Guanda portable USB Hub Docking Station, USB-C Hub Adapter, features an exquisite, handmade design that takes the ‘hard’ look out of hardware, by combining high speed, reliability, & safety with a compact, sleek visual.