1) Expand 4 USB 3.0 ports for your laptop or desktop through a standard USB port to connect the U disk, flash drive, USB mouse, USB keyboard and etc.
2) SuperSpeed USB3.0 connectivity offers data transfer speeds of up to 5Gbps, backwards compatible with USB2.0 and 1.0.
3) Controlled by intelligent chip, transfer and charging more stable and intelligent.
4) Micro USB Port can extra power supply, An additional power supply station can provides 2.4A. NOTE: No power adapter in the package.