USB 4-Port Hub + Calculator + Mouse Pad + Speaker
4-In-1 USB Calculator Combo is a super USB combo gadget. It not only works as a USB 4-Port Hub but also functions as a calculator, mouse pad and speaker. It also allows to connect to iPods, MP3, MP4, MD, CD player, notebook, PC, PDA, PSP, mobile phone and other digital products with 3.5mm stereo audio connector. It is another funny gadget on your desk.