Product Description Macbook Pro Docking Station 9 in 2 Dual Monitor HDMI Adapter This triple display dongle Macbook Pro Air dock is a perfect compliment for your USB C mac laptop. Expand the display, connect to peripherals, charge other USB C devices, extend memory space, and connect to headphones. Multiport USB C Adapter 2 x 4K HDMI 1 x USB C PD Charging 2 x 5Gbps USB 3.0 1 x 5Gbps USB C 3.0 1 x 3.5mm Audio/Mic 1 x SD Card Reader 1 x TF Card Reader Please Note: 1. ONLY support Macbook Pro/Air with 2 thunderbolt 3 ports in the one side (don’t support M1 chip). 2. Because of M1 chip’s limitation, it won’t allow DUAL MONITOR for displaying. Thus, no USB C adapters support dual monitor for M1 chip Macbook Pro/Air. This hub can extend or mirror the screen of M1 Chip Macbook Pro/Air (2020) to ONLY ONE monitor. 3. SD and TF slots can’t work simultaneously. 4. A 4K-capable display and a 4K-capable HDMI cable are required to achieve 3840*2160 resolution. 5. One of the USB C female port supports power delivery ONLY, while the other USB C female port supports data transfer. 100W Fast Charging The USB C charging port could charge the laptop while the USB C port on the laptop is occupied. The maximum power can reach up to 100W. SD/TF card reader There are universally compatible card readers for both SD and TF cards, solving your problem of lacking of ports. Note: SD and TF card readers cannot be used simultaneously. Fast data transfer The data transfer speed of the two USB 3.0 ports and one USB C 3.0 port reaches up to 5Gbps. It only takes you a few amount of time to load files, pictures, music, or movies from drives to your laptop. 4K HDMI The two HDMI port offer you two HD 4K (3840*2160P) display. You may either mirror or extend your screen to dual monitors for better work and play experience. Dual Monitor Docking Station One HDMI port supports full HD display 4K (3840*2160P) at 60Hz while the other HDMI port supports 4K at 30Hz. Please note only 15’’ and 16’’ Macbook Pro can reach 4K@60Hz. Macbook Air can reach max resolution 4K@30Hz. Compact and slim No bigger than your smartphone, this USB C hub is compact and portable enough to fit in your pocket. With diverse ports and small size, this hub is perfect for your daily work and business travel. 【9-in-2 USB C Hub】 Designed for MacBook Pro 2021 2020 2019 2018 2017 2016 and MacBook Air 2021 2020 2019 2018. This Macbook Pro Dongle expands your working possibilities with the advanced chip and achieve more stable performance. No driver or software needed, just plug it in and go. 【Super-fast data transfer】 This USB C adapter has 3 USB 3.0 ports with 900mA output: for immediate syncing and file transfer with 5Gbps and 480Mbps transfer speed - Easily connect smartphones, tablets and hard drives for effortless data transfer with the USB C and USB A ports. 【4K Video and 2 x HDMI】: Use the HDMI ports of the MacBook Pro Adapter to switch to mirror mode for Mac OS or extended mode and enjoy 4K Ultra HD @ 60Hz or Full HD 1080p @ 60Hz videos with 3D effect of the laptop screen to dual monitor, projector, HDTV, etc. Stream movies, presentations or video games with a click on your screen. 2 HDMI ports Can be used simultaneously but with a single 4K output. (M1 chip series can not extend MST) 【100W PD power supply】 With the PD charging socket, you can quickly and easily charge MacBook or other devices with USB-C ports (data transfer is not supported) and supply the hard drive with electricity. 【Enhanced SD/TF Compatibility】 SDXC and Micro SD card (TF) slots provide superior versatility for data storage and fast transfer speed. Compatible with Mac OS, speed up to 104MB/s, memory up to 2TB.