Sony's DCC-E345 Car Multi-Voltage DC Adapter powers portable MD or CD players through your car cassette deck. Just plug the adapter into a cigarette lighter socket for fast and easy power connection. The selectable voltage switch lets you choose 1.5, 3.0, 4.5, or 6.0 volts to match the power input requirements of your MD or CD player. Supplied with a plug case, the DCC-E345 lets you listen to the music you want to hear wherever the road takes you.