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