[USB C HDMI Adapter 3 in 1] HDMI 4K @ 30Hz, compatible with HDMI-capable monitor / projector / TV for video and audio transmission. USB 3.0, data transfer rate up to 5 Gbit / s, and support up to 5 V charging at 1A. Compatible with USB memory sticks, mice, keyboards, hard drives and many other devices connected via USB. USB-C 3.0 supports data transfer, Charge-In and Charge-Out. [Stable charging and high transmission efficiency] The USB C port supports simultaneous data transmission and charging. Use the device's USB c port, flash drive and SSD to transfer data at transfer speeds of up to 5 Gbit / s.It enable you to charge your MacBook Pro and other USB-C devices simultaneously.You could also use a USB-C to Lightning cable to power iOS devices. [Extensive compatibility] Compatible with MacBook Pro 2019 ? 2016, MacBook 2019 ? 2015, Mini 2018, Surface Book 2, iMac Pro 2017, Samsung Galaxy S20, S20 Plus, S20 Ultra, S10 / S9 / S8, Note10/9 / 8, Dell XPS 15 / 13, Surface Pro 7?HP Spectre X360 , Lenovo Yoga 920, HTC U11, Pixelbook, HP Envy 13, Galaxy Book and many other products (more details in description). Note: Phones that do not support PD charging protocol may not be able to output and load videos at the same time. [Compact and chic design] Plug and play, no additional drivers / software required. Friendly non-slip design, easy to insert and remove. Soft braided nylon cable adds durability. Aluminum case with excellent metal texture. [Uni] We strive for exquisite design, reliable quality, frustration-free packaging and convenient customer service. We focus on USB-C accessories and offer you better alternatives to USB-C accessories: USB-C hubs, various adapters and cables. If you have any questions, please contact our support team: hello@uniaccessories.io