1) Charging for the mobile phone by USB of PC or mobile PC and 5 adapters for Nokia, Samsung, Motorola, Ericsson and Siemen 2) Transmission wires coiled, free to flex, convenient to carry and easy to use 3) With the increasing voltage performance 4).Promoting Voltage function on the USB extention cable, used for newest mobile 5) Input voltage: 4.5V; Output voltage: 6.5V