This is the Sony CD Walkman Discman D E707 Blue.

This is a Sony CD Walkman (Diskman) D-E707. The glossy blue color is beautiful, and the sound is excellent. The main unit is in very good condition with no significant scratches. The sound is great, and there are no functional issues or button problems. The bass boost has two levels: Mega Bass and Groove. It can use AA batteries and an adapter. The package includes the main unit, remote control, pouch, original 110V adapter, and USB-to-5V power cord. It is ready to use immediately. Product Condition: Minimal signs of use