Builtin protection chipset guards the connected components when swapping cards, helping prevent damage to the chip during cartridge or card changes. Port configuration: USB 3.0 x1; USB 2.0 x2; Card Reader x2; HDMI x1; Charging Port x1; Phone Holder x1. Multifunctional docking station that covers essential connectivity needs in a single compact unit. Compact and portable design for easy transport and use at home, in the office, or while traveling. Performance and display: USB 3.0 supports speed data transfer; HDMI provides external display output for larger viewing. Use scenarios Desktop extension for laptop: connect your laptop to an external monitor via HDMI, add USB peripherals through the USB 3.0 and USB 2.0 ports, and use the charging port to power or charge devices while working. Cardbased media workflow: quickly access two memory card slots for transferring photos or videos to your computer for editing and backup. Onthego viewing and charging: place and hold your phone in the builtin phone holder while the dock powers or charges it and provides a larger screen view via HDMI.