OEM/ODM are available,cable manufacturer,high quality,competitive price,good service

 -Storage temperature: -10 to 85 degrees Celsius  -Product includes: user manual, USB cable (optional) and adapter (optional)  -Compatibility: for Macs and PCs  -Operating system: Windows XP/2000/ME/98/95 and Mac OS 8.6 and above  -Plug-and-Play installation, no software installation required  -Four USB 2.0 ports up to 500mA (with power adapter)  -Bus-power and self-power mode used  -Transfers large files at rates of up to 480Mbps  -Connects up to 127 USB devices to PC through daisy chain  -Fully compliant with USB 2.0, 1.1 and 1.0  -Supports OHCI/UHCI  -Over-current and high-inrush current protection

7 port usb hub 2.0