Printer support:support standard printing interface with USB interface :for Linux 3.4 Interface:USB2.0 HOST+USB2.0 DEVICE+Ethernet TF card expansion:support, up to 256GB Supported operating systems:For Wondows xp and above, Android, IOS Supply voltage:5V Hardware parameters:ARM9 300MHz/128MB Flash Type:D:Network + Bluetooth + WiFi version:support Network cable connection and support WIFI connection and support BT4.0 connection Colour:White Material:Plastic Size:(length x width x height):70mm x 70mm x 18mm Package Contents: 1 x Print Server 1 x usb cable Only the above package content, other products are not included. Note: Light reflection 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. NP332 multi-interface network print server Standard 100M network Can support 3 USB printers at the same time All series standard Ethernet interface TYPE-C standard USB interface can be used for power supply and configuration