This Sony Discman ESP D-E307CK Portable CD Player is perfect for music lovers on the go. With its compact design and various audio outputs like headphone jack and line out, you can enjoy your favorite CDs anywhere. It's 100% working and ready to use, making it a reliable choice for your portable audio needs. Whether you're commuting or traveling, this CD player is a great addition to your personal audio collection. It belongs to the Discman product line and has a model number of D-E307CK. It supports CD playable media format and is branded by Sony, a trusted name in the electronics industry. Its aspects also include a type of CD player, making it a perfect fit for those who prefer physical media over digital streaming.