9in2--Frist&Ever The Frist Light-Weight and Portable Macbook Pro/Air USB C Docking station with 4K Extend Mode on the Market. Perfectly Portable Slim and light, this adapter is perfect for the home, office, or anywhere in between. Great for mobile workers or those in hoteling or hot-desking environments. Plug and Play Simplicity With no need for additional software, this adapter easily attaches to your Macbook Pro/Air to help you connect to achieve multi-screen, more peripherals, and transfer data. NOTICE: For a stable display result, please plug in the MacBook power supply to the PD port on the docking station before connecting it to the laptop. WINDOWS ARE INCOMPATIBLE. Hiearcool 11in1 Laptop Docking station is compatible with specific Thunderbolt 3, Type C Gen2 or USB-C Windows systems. The USB C ports on the Laptop are looking the same, but it has several critical differences between Thunderbolt 3, USB-C 3.1 Gen 2, and USB-C 3.1 Gen 1. The difference between the three technologies is bandwidth. Support Dual or Triple Display: v Thunderbolt 3: 40Gb/s v USB-C 3.1 Gen 2: 10Gb/s v USB-C 3.1 Gen 1: (Support Power Delivery) DOES NOT SUPPORT USB C DISPLAY OUTPUT: × USB-C 3.1 Gen 1: 5Gb/s (data transfer only) Please ensure the Laptop has thunderbolt 3 / USB-C 3.1 Gen 2 /USB-C 3.1 Gen 1 (Support Power Delivery) to support multiple-display before purchase. Hiearcool USB C Docking Station Compatibility List(Partial): Such as the Microsoft Surface Book 2, Surface Go, Dell XPS 9350 / 9360 / 9370 / 9380 /9550 / 9560, Lenovo Yoga 720 13" & Carbon X1 5th/6th Gen, most 13" HP Spectre x360 models, MSI GS65 /GS75 etc.,(Type C Wall adapter required for the Power Delivery) Incompatible with Acer all series, iPad Pro 2018, Apple USB SuperDrive, Surface Book 3, and Nintendo Switch. REMINDER: 1. For Apple computer users (MAC OS), displays are Mirror mode only. 2. Please plug in the Laptop's power adapter to the USB-C Power Delivery port before connecting an ext