Features:<br>Classic design, multi-color shell, no indicator light, no external power supply, suitable for desktop and laptop computers<br>Hot plug-in support, low power consumption, products suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera<br>Digital cameras, USB sound cards, hard disk boxes and other devices, expand four USB interfaces, each power supply up to 500 Ma<br>Using the second generation USB HUB controller, no driver, plug-and-play, hot plug-and-play support, up to 127 USB devices.<br>All the first class electronic components are used to ensure the stability of the products.<br><br>Specifications:<br>Transport interface: USB2.0/USB3.0<br>Operating system: Win95 osR2/98SE/Me/2000/XP, Linux2.4andMac os8.5VASTA version above.<br>Transmission rate: up to 480Mbps.<br>Power supply: USB 5V/600ma<br>External power supply: 5V/1.5A-2A<br>HUB usage temperature: 0 C -70 C<br>Storage temperature of HUB: 10 C -90 C<br>The humidity range of HUB is 10%-90%non_condensing<br>HUB storage humidity range: 10%-90% non-condensing<br>HUB's ontology consumption current: 50-60ma<br>Size: 56.3*18*23.5mm <br>Color: black<br><br>Package included:<br>1 x USB Hub <br><br>Notes:<br>1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.<br>2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks! <br>