Meet the DotPen: an awesome active stylus for tablets and smartphones. It feels like a real pen and has a 1.9mm Active-Quill tip to provide you with a more accurate writing experience. You just need a single AAA battery to get this stylus to work. That should last you for 12 hours of work.
With the DotPen stylus, you can write on virtually all smart devices. It does not rely on a pre-installed software or apps to work. DotPen works on Apple, Samsung, Amazon, and Google devices. It is also compatible with top apps such as Evernote, Photoshop, Penultimate, and Zen brush. The tip is made from a durable thermoplastic and will work with a low amount of friction.
The DotPen stylus is made of precision CNC machined anodized aluminum alloy. It looks quite elegant and can make you a whole lot more productive. You can get it on Kickstarter.