Sony DCC-E345 Car DC Adaptor with Selectable Voltage Switch Powers a CD or MD player through a car cigarette lighter Selectable voltage switch: 1.5, 3.0, 4.5, 6.0 volts Plug case supplied; cord length is 1.5 meters (5 feet) Unlimited power while commuting or playing at the park Essential accessory for using your personal CD or MD player in a vehicle