... Ports USB Hubs of 2.0.3. Blue backlight.· Multifunctional Computer Mouse Pad combined mouse pad, calculator and USB hub in ... , such as keyboard, mouse, USB flash, MP3, etc.· Connect PC with this Computer USB Hub, the rim, screen, and calculator buttons will ... mouse pad· It can also powered by DC 5V (power adapter not included)Packing Information:1. QTY:20PCS/CTN2. G.W ...