The adapter is used to convert the mini PCIe slot into a USB3 0 interface, which is backward compatible with USB2 0Extend the standard USB interface through the mini PCIe port to connect USB3 0 devicesThe extended USB port can be connected to USB flash drives, USB Bluetooth adapters, WIFI adapters, etc Size: 52x30x5 2 mmPower supply voltage: output 5V/1APrecautions:The notebook's MINI PCI-E standard includes USB signal and 3 3V power supply This product leads the USB signal to the USB socket, and boosts the 3 3V to 5V/1A to supply the USB device Take a look at the above working principle Because the USB signal is output from the computer, some computers have a bad screen or no signal output at all, which will cause the card to be unusable, not a problem with the card colour: greenMaterial: metalPackage Contents:1 x mini PCI-e to USB3 0 adapter cardOnly the above package content, other products are not included Note: Light and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm