Features: With quality chips, it can easily support super large capacity hard disk, mouse, keyboards, card reader, USB flash disk and other quality more stable. The small appearance makes the perfect combination of practicality and fashion. No driver is required. USB port supports hot-swappable, insert and use, which brings convenience to your work, study and life. Intelligent multiple protections, prevent overcurrent, overvoltage, leakage, short circuit, clutter, etc., effectively protect the connection equipment and HUB itself, safe and stable. USB3.0 Ultra-high speed data transmission/file access, with transmission rate of up to 5Gbps, downward compatible to USB2.0 and USB1.1. Compatible operating system for Windows98/ME/2000/XP/Win7/win8/iOS8.6 or latest version. Specifications: Material: ABS Color: Black Size: about 156x44x19mm/6.14x1.73x0.74inch Transmission Speed: 5Gpbs Package Includes: 1x 7-port USB3.0 Hub note: USB3.0 data line power supply, each port can supply up to 900mA current. Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different monitor resolution.