Features: Hub USB C 7-in-1 | Hub Multi-Port 7-in-1 with Thunderbolt 3 Ports, 3 USB 3.0 Ports, 4K HDMI Ports, 512 GB SD/TF Card Reader - Supports Fast Data Reading at 5 Gbit/s. Space gray aluminum alloy shell, perfect match with MAC style. The dodocool MacBook adapter is designed for Mac to expand MacBook ports, plug-ins and usage. Compatible with MacBook Pro M1 2020-2016, MacBook Air M1 2020-2018 and latest models. usb-c Thunderbolt 3 | Thunderbolt 3 provides data transfer up to 40 Gbit/s and fast loads up to 100 W. Mirror or extend your display from your laptop to a TV, monitor or projector (supports up to 5k @ 60 Hz video output). 4K HDMI Resolution | Mirror or extend your MacBook Pro/air's screen to a TV, monitor or projector via the HDMI out port. Resolutions up to 4K UHD (3840 x 2160 @ 30Hz). Supports 2K / 1080p / 720p / 480p / 360p resolutions. USB 3.0 & SD/TF Slots | Three USB 3.0 ports allow you to connect three additional USB devices to your MacBook Pro/air (data transfer speeds up to 5 GB/s). The SD/TF card reader supports SD memory cards and TF memory cards up to 512 GB.