Input
2x USB-C (Type-C)
Output
HDMI port: 1; HDMI 1.4; supports resolutions up to 4K@30Hz; supports mirroring (same screen) mode and extended mode
USB A 2.0 ports: 2; maximum data transfer speed of 480 Mbps; can supply power to other devices when connected to a computer (total power 5V*3A, single port limited to 1.2A maximum). (Note: If only connected to a power source via the USB-C PD port or only connected to a computer via the USB-C PD port, the USB 2.0 ports cannot supply power to Apple devices.)
TF/SD card reader: USB 2.0 480 Mb/s theoretical data; 1 SD card slot; 1 TF card slot. Supports SDHC (capacity up to 32 GB)/SDXC (capacity up to 2 TB)/MMC; actual read/write speed 20 MB/s (Note: Does not support simultaneous reading).
USB-C (Type-C) PD fast charging port: 1; supports Power Delivery 2.0 one-way fast charging, can fast charge computers/phones/tablets, supports fast charging power up to 60W (20V/3A), only supports one-way charging, does not support data transmission or audio/video transmission.
USB-C (Type-C) 2.0 data transmission port: 1; supports bidirectional data transfer speeds up to 480 Mbps, can supply power to other devices when connected to a computer (5V*1.2A). (Note: If only connected to a power source via this USB-C port or only connected to a computer via this USB-C port, the USB 2.0 ports cannot supply power to Apple devices.)
Compatibility
Compatible: MacBook Pro 13"/15" (2020/2019/2018/2017/2016), MacBook Air (2020/2019/2018), and devices with USB-C ports (laptops, tablets, smartphones).
Not Compatible: Does not support M1 Mac devices (MacBook Pro M1, MacBook Air M1, Mac mini M1, etc.), and Samsung T7 via USB 2.0.