MotionPen is a smart pen for your iPhone and iPad with no need for batteries or Bluetooth pairing so it will be useful when you need it. The pen has intuitive software enabled features such as "Flip to erase" and "Air lens" which makes it as simple to use as a pencil and also a powerful tool for productivity. These simple features make sketching on your iPad engaging and natural. An addtional feature is "Palm Rejection". Palm-rest enables you to rest your palm on the screen as you would when writing on paper. Its truly grab and go.