... hub 2)12-digits calculator 3)Mousepad with mood light 4)Speaker Item no.: SHS1018 Product Name: 12 digit electronic calculator with mousepadSpecifications ... →USB 1.1,type B→USB 2.02. 12-Digital arithmetic,support memory calculation:M+,M-,MRC3. ... MP3,MP4,computer or other usb devices6. the calculator is worked by one button cell of AG107. ... ./G.W.: 7.5/8.5kgs 12 digit electronic calculator with mousepad