7 in 2 USB 3.1-C Hub with HDMI, Thunderbolt 3 USB-C Ports USB 3.0, TF SD, PD, for computers.

Interface Type: USB Type-C Ports: 7 Function: HDMI-compatible/Card Reader Standard: USB 3.1 Certification: NONE Package: Yes Feature 1:  Designed for MacBook Pro/Air (020/2019/2018/2017/2016 13", 15" 16") expand the two USB C ports on for MacBook Pro/Air into eight: 2 HDMI-compatible 4K ports, type-c female PD charging Port, 2 USB-A 3. 0 ports, 1 Thunderbolt 3 Port  and security digital & TF card reader slots. Feature 2:  2.High-Resolution 4K HDMI-compatible: Dual HDMI-compatible USB C Adapter allows you to mirror or expand the display of your for MacBook Pro/Air to 2TVs, monitors or projectors with resolution up to 4K UHD (3840 x 2160  30Hz) and your laptop video resolution up to 1680*1050P 60HZ. with 3 different displays. Feature 3: Super data transfer:2 USB 3. 0 Ports support data transfer at speed of up to 5Gbps and 1 Thunderbolt 3 port up to 40Gbps