We have seen plenty of computer companions before, but we haven’t seen a Hello Kitty one. The Hello Kitty USB Companion is about 2 1/2 inches in height and will plug into your computer via USB. While you work, it will entertain you by responding at random and reacting to your voice or any type of sound in the area. The Hello Kitty Computer Companion retails for ¥ 3,650.00 (US $40).