To reduce the weight of the and make it look more elegant, do not have more USB access points. They are portable, which limits the amount of space that you can place these insertion points, especially if you need a place for discs. This 3 port compact portable USB hub is good solution to the problem. This item is small and compact, so it fits easily into pockets and bags. It supports 3 seperated device to work at the same time. Feature - Color: Black - Material: Plastic - Size: 5.5x2x1.8cm/2.2x0.8x0.7inch - Interface:3 USB Ports - Type:USB 2.0 - Indication Light Color: Blue - Working temperature: -20-75 degree centigrade - Working Voltage: 5V - Working Current: 500mA - Transmission rate: 480Mbps(Max) - Fully compatible with USB 2.0/ 1.1. Transmission rate reaches up to 480Mbps. - Low power consumption, and low operating temperature. It can support 3 separate devices to operate at the same time. - The main USB port is rotatable do not need to worry that it will disturb your work. - Compatible with Win ME/ Vista/ XP/ 2000//Win 7, 10.4.5 and above. - Please make sure that the USB port of laptop has sufficient power supply before using. - No driver installation required, lightweight and portable size, really convenient. Package list: 2 x Mini 3 Port USB 2.0 Splitter