Yogen Charger for LG, Nokia, Sony and Micro-USB (Black) Patented alternator technology. Innovative pull/release mechanism Instantly generate power. LED indicator shows actual charging. Changeable device connector tips. Easy operating instructions Lightweight: 3.5 oz. Electric output via built-in mini-USB port. Includes a master cable with changeable connection tips. Solid grip, break-resistant housing Travel. Hiking and camping. Survival and weather preparedness kits. Hunting and fishing