4 Port USB 3.0 Pci Express Expansion Card Pci-E Adapter Filter-Screen & Keyboard Cover 1 pc x tablet stand

1 pc x tablet stand

4 inch A1286 (2009 - 2011)

side backlight

Input Voltage AC 220V

(non-transparent objects)

4 Port USB 3.0 Pci Express Expansion Card Pci-E Adapter Filter-Screen & Keyboard Cover 1 pc x tablet stand1. Requires external power supply: You need to plug in a large 4 pin power port to work or use normally. 2. Standard PCIE interface: Manufactured in accordance with PCIE standards, meet product specifications. 3. High speed transmission: data transmission up to 5gbps, after connecting USB3. 0 peripheral devices, maintaining compatibility with existing USB peripheral devices. 4. Hot plug function allows you to connect disconnect devices without