If you have any questions, please contact customer service first, do not open disputes easily, thank you!
Specifications:
Compatible devices: For surface Pro7/7+
Compatible with: USB3.0/2.0/1.0
Support: SD/SDHC/SDXC/Micro SD Compatible-HDMI 4K30Hz
System: Windows XP/7/8/10
Voltage: 5V
Interface: USB3.0 male*1 + type-c male*1 to Compatible-HDMI*1 + USB3.0*1 + USB2.0*1 + SD + Micro SD
Package includes:
1* Docking station (not including others shown in the picture)