Meet S-Pen by Zanco: a pocket-sized smartphone accessory that works as a pen phone and smart presentation tool. It can be used as your backup phone on the go to take calls, record calls, and do other basic phone functions. You can pair it to your smartphone via Bluetooth.
The S-Pen has dual front and rear cameras, so you can capture selfies and photos with them. The device run on a battery that lasts up to 6 days. It has remote capture, voice changer, and FM radio features too. You can use the S-Pen as a laser pen to present like a pro. Expected to ship in April.[Source]