With a built in 4-port USB hub!
Never forget the important things with this brilliant erasable memo pad which plugs into your laptop or computer. Use the magnetic pen to jot down notes and numbers, then erase the messages using the slider bar making it ready to re-use. Doubles as a USB hub to connect up to 4 devices to one USB port on your laptop or computer. Includes one erasable memo pad, a magnetic pen and one USB cable. No batteries required.WARNING: Contains magnets which can cause serious harm if swallowed or misused. Keep away from children under 36 months.