1)5 port usb hub 2)12-digits calculator 3) ... .: SHS1018 Product Name: 12 digit electronic calculator with mousepadSpecifications:1. 5 USB HUBS for one input,four outputs,support usb ... version: type A→USB 1.1,type B→USB 2.02. 12-Digital arithmetic,support ... or other usb devices6. the calculator is worked by one button cell of AG107. our available color is red,blue,black, ...