This is an adapter's mini-card (miniiPCI and USB I/ F) slots to the USB2.0 interface. Expanding a USB2.0 interface through the mPCI-E slot, it is very suitable for connecting mini USB devices. Allow your laptop to save an external USB slot. Insert your USB device into your laptop. Transparent operating system, do not need any software driver. Support full-size and half-size mini-slot. Not only is it suitable for full-size mini-card adapters, but it also applies to a half-size mini-card by removing extra full-size extensions. It is ideal for any small USB device to enter the laptop's built-in, such as: USB wireless mouse receiver, USB Bluetooth Adapter, USB WiFi network adapter, USB flash memory, USB Card Reader (microSD/ M2), Screen silver U Shield. This is an adapter's mini-card (miniiPCI and USB I/ F) slots to the USB2.0 interface. Expanding a USB2.0 interface through the mPCI-E slot, it is very suitable for connecting mini USB devices. Allow your laptop to save an external USB slot. Insert your USB device into your laptop. Transparent operating system, do not need any software driver.