The field of electronic technology becomes increasingly wireless, so as to suggest that the use of wires in reality was only a hiccup in the evolution of devices. Even the Chargers lose its wires, such as AirVolt Wireless iPhone Charger. Large 14 x 11.5 cm, is compatible with 3G and 3G models with an adapter to connect to the device connector. The power voltage is 100-240VAC. The AirVolt Wireless available for $ 49.99