EEEKit 2 Port USB 2.0 Manual Switch Sharing Hub 2-Port Switcher Selector Box Adapter for Scanner Printer Camera Keyboard 1 standard USB-A female port for connecting with USB devices (such as printer, scanner, projector, camera, keyboard, hub and etc, which has USB-A interface), 2 USB-B female ports for conneting with 2 computers. Compatible with USB 2.0, it support Windows 98 / ME / 2000 / XP and Mac OS. Enable 2 computers to share one USB devices (such as printer, scanner, projector, camera, keyboard, hub and etc, which has USB-A interface). The multipurpose velvet pouch is a perfect storage for your smart phones, car chargers, earphones and other accessories. It provide a convenient way to just slip away your phone or camera accessories into one pouch and move on with your day without rattling searching for little items. Key press switch, easy and convenient. No external power supply needed.