16 Smartwatches You Should Know About - Neptune Pine: Android based smartwatch, now available for pre-order. This is a stand alone smartwatch that can do whatever a smartphone does (doesn't just tether to a smartphone).
The Tag Along Solar Battery with USB port to allow you to charge your phone or any gadgets works on inbuilt Li-Polymer battery similar to the batteries found in mobile phone. It continually stores sunlight to the inbuilt battery when exposed
Myo Gesture Control Armband- with this deceptively simple-looking armband that lets you use the electrical activity in your muscles to wirelessly control your computer, phone, and other gadget goodies.