Erasable Memo Pad with 4 Port USB This combines two helpful office gadgets in one clever and compact gadget. This Erasable Memo Pad requires no batteries as it's powered by USB. It comes with a USB cable and a stylus pen. Just plug it into a PC or Mac and you’ll have a handy memo pad to hand and an extra 4 USB ports to connect to as well! This electronic memo pad doesn't use up paper or create waste, as you can reuse the same surface again and again. Instead of filling your bin with used sticky notes or pieces of paper, you can just write your notes with the magnetic stylus pen and erase when you're done. I dare say your kids will like doodling on it whilst you're on the computer too!