Neptune Pine Smartwatch Features Full 3G Radios and Skinned Android OS %u2013 Droid Life. At first blush, Neptune Pine seems like a great idea for a smartwatch. It operates independently of a smartphone. That means you can browse the web, do your email, get the time, and other stuff without ever connecting to a phone. It has its own 3G radio to connect. However, the thing is really ugly, and the full keyboard on screen isn't exactly designed for normal fingers. And, a 3G connection comes with another monthly bill. I am already paying for my smartphone connection, and it is 4G. Additionally, the Pine is just a pipe dream right now. No word on when it will come to market.