Specification: Interface: USB2.0 Working voltage: 5 volts Supported system: For 95/98/2000/2003/ME/XP/Vista or for OS 8.1 or higher (must install the driver under 95/98) Color: black Material: plastic Feature: Four groups of USB sockets with hotspots. The USB 2.0 high-speed processing core has an automatic switching speed and provides a transfer speed. It does not need to be switched. It is suitable for laptops, PDAs, various small and portable computers. Compliance with USB 2.0 specifications, compatible with USB 1.1/1.0 standard specifications, Supports insertion playback functions and hot-swapping functions. You can connect high-speed (480/12Mbps) and low-speed (1.5Mbps) USB peripherals. Power protection function: Supports overload voltage and instantaneous current protection functions, which can be used safely. Fine workmanship and good performance. Easy to use. Long service life. Different batches, the appearance of the interface may be different, which does not affect. Package Contents: 2 x Hub USB computer splitter 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 allowed measurement error is +/- 1-3 cm.