This is a Sony digital audio player, the Walkman NW-A17. It's a set including the main unit and the genuine case. 【Condition】 ・Operation confirmed ・Relatively clean with no noticeable scratches ・Please check the detailed condition in the photos 【Included Items】 ・Main unit ・Genuine case ※Everything shown in the photos is included 【Product Features】 ・Supports high-resolution audio ・Equipped with noise reduction technology "S-Master HX" ・Up to approximately 50 hours of long playback ・Bluetooth compatible ・Compact and easy to carry size 【Recommended Points】 This is the perfect model for those who want to enjoy music with higher sound quality than a smartphone. The clear sound quality and long battery life unique to Walkman are attractive, and it is also recommended for carrying around during commutes, school, travel, etc. It's a perfect device for those who want to enjoy authentic music in a compact size.