Nuwa Pen smart pen digitizes your writings with replaceable standard D1 ink cartridges

Digitize all your notes, even those written on normal paper, with the Nuwa Pen smart pen Product Specifications Size : 5.91" x 0.42" Weight : 0.062 lbs Sensors : Orientation, Gesture Storage : Unlimited Cloud RAM : 2 GB Connectivity : Bluetooth Low Energy 5.1