SONY Discman ESP with optical digital output and MP3 playback. - Brand: SONY - Model Name: Discman ESP - Included: Case, earphone jack Discoloration and scratches present. Condition is not good. Does not work even with batteries inserted. It may work with an adapter, but operation is unconfirmed as I do not have one. Please understand that this is a junk item before purchasing. Thank you for viewing.