Features: Simple and compact design, low power consumption, space-saving, and easy to carry. Supports printing of images and text, equipped with 1x 10/100 Mbps RJ-45 port. USB 2.0 high-speed printer connection, supports multiple users accessing one printer over a wired network simultaneously. Supports SD card storage function, compatible with SD cards up to 256GB. Compatible with over 95% of brand USB printers available on the market. Specifications: Printer Support: Printers with Standard USB 2.0 Port Operating System: Linux 3.4 Interface: USB 2.0 Host, USB 2.0 Device, Ethernet Card Expansion: Supports SD cards up to 256GB Power Voltage: 5V Supported Operating Systems: Windows XP or higher, Android Size: Approx 5.5 x 5.5 x 3 cm (2.16 x 2.16 x 1.18 in) Color: Black/White Note: This product is a wired network version and does not support Wi-Fi or Bluetooth. Designed for use with Android phones and computers only. Please allow 0–1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color of the item may vary from the image. Thank you. Package Includes: 1 x Network Print Server