... ,AD,Shop,SuperMarket.1.usb hub.2.Usb mouse pad with usb hub and 8 control buttons.3.EVA PVC mouse pad.4.Rubber mouse pad.5.Gel wrist rest mouse pad.6.Delivery methods: Air ... compatible with scanner, digital camera, digital vidicon, optical mouse, Keyboard, USB flash disk,etc.5. Supports up to 127 USB devices6. Truly plug & play and hot ...