The HT-UH010 comws with 7 USB 3.0 ports + 2 samrt charging ports. 2 smart charging ports provide full-speed and sufficient powers to charge all Apple and Android smartphones, tablets and other USB charged devices with a 5V charge input. It is massive expansion, provide 7 USB 3.0 ports for home and work users. There are LED indicators for each USB 3.0 ports and power supply. Our product has 18 Months Warranty. Remarks: 1. Supports Windows 98/Me/2000/XP/Vista/7/8. Mac OS X or above. Linux 3.0 or above, not support Windows8.1 2. Some USB 3.0 devices require a direct connection to host USB 3.0/2.0 ports, including some USB 3.0 hard disks, 2.4GHz wireless devices. 3. Charging ports do NOT support data transfer and USB 3.0 ports do NOT support charging. 4. Does not support iMAC mini. 2012 Mac Mini and 2012 MacBook Pro with Retina Display are currently not recommended for use with this product because the unstable performance