For Sale: VTG Sony Portable Cassette Player Radio Player Boombox CFS-D7. Sony Portable Cassette Player Radio Player Boombox. Is a rare find for collectors and enthusiasts of retro electronics. It is a classic design. The only thing we can confirm is its power ON, List for Parts Or Repair. Please review all photos and videos carefully this is an older item. Ensure you’re comfortable with the condition before purchasing. We will follow up with you until you receive your item and are satisfied. Thank you for your understanding. If you have any questions, feel free to ask!