The Ventev EcoCHARGE Wall Charger for cell phones and devices equipped with a mini USB charging port is the most advanced, energy-efficient travel charger on the market. Engineered and designed for the most demanding user in mind, the EcoCHARGE not only delivers a compelling range of travel friendly technology innovations, but it also provides charging power only when needed, making it the most advanced "green" charger available today. The EcoCHARGE draws 10 times less energy than other Energy Star-rated chargers when it's plugged into an outlet but not charging anything. Decreasing the usage of electricity is just one way to reduce your carbon footprint and save money. The EcoCHARGE is ENERGY STAR® certified and receives the highest rating allotted for cell phone chargers.