Iogear GKM581R Keyboard. COMBO WIRELESS ON-LAP KEYBOARD W/ OPTICAL TRACKBALL SCROLL WHEEL KEYCMB. Wireless - RFUSB Brand NEW, Packaging : Generic 1 Year Mfg Warranty Iogear GKM581R IOGEAR GKM581R COMBO WIRELESS ON-LAP KEYBOARD W/ OPTICAL TRACKBALL & SCROLL WHEEL