SIIG's USB-C to 4-Port USB 3.0 Hub with PD Charging 3A/1C expands a single USB-C port from your MacBook , ChromebookTM, HP laptop computer and more to four USB ports (3 Type-A & 1 Type-C PD) to increase device connectivity options. It instantly adds 3 USB 3.0 ports to your computer for connecting multiple USB powered devices simultaneously such as mobile phone, mp3 player, flash drive or digital camera and more. An advanced USB-C Power Delivery (PD) port is also provided to let you power charge your laptop with a compatible power adapter or to connect a USB-C enabled device for fast data synchronization. Compact and lightweight design with built-in woven braided cord enhances portability and durability. It is an ideal USB port expansion solution for home, office or on-the-go to improve your computer's connectivity performance for greater efficiency and productivity.