Built-in Surge Protector: With overvoltage & overcurrent protection, effectively protect the hub and the devices connected to it from power surges and voltage fluctuations, ensures safe & steady data transfer for all connected devices. Individual On/Off Switches: USB hub powered is designed with individual on/off switches, you can turn the power on and off whenever you choose without unplugging the equipment. Respective indicators for each port can easily show the working status. Read SD TF Cards Simultaneously: Built-in SD and TF slots easily access files from universal SD card and Micro SD card. Speed of Read:50-104MB/s and write:30-80MB/s. These speeds allow for quick transfer of large files, increg users productivity. 5V/2.4A Smart Charging Port: VANGREE Multiport USB splitter offers 3 individual smart charging ports, with each port capable of providing 5V/2.4A power independently. 17 IN 1 Powered USB 3.0 Hub: VANGREE powered USB c hub equips with 10 x USB 3.0 ports, 3 x USB-A smart charging ports, 2 x USB-C 3.0 ports, SD/TF card reader. The USB charging-only ports provide 5V/2.4A power to charge your phone, tablet and so on.