All keys and settings on key board work. I am unable to test the headphones jack so I will say it is unknown if it works. The keyboard is in good condition and the sound comes out as it should. No crackles or pops.

Elevate your music experience with this Yamaha YPT-230 Electronic Keyboard. Its 61 keys and numerous features make it an ideal choice for both beginners and professionals. The keyboard is equipped with various voices, styles, and songs, making it perfect for learning, practicing, and performing. Additionally, it comes with a power adapter and a set of headphones, allowing you to enjoy your music without disturbing others. Get your hands on this Yamaha YPT-230 Keyboard and take your music skills to the next level!