Pre owned in very good condition. Pulled from working system and tested. Needs new rechargeable batteries for headphones. The Sennheiser TR170 HDR170 Digital Wireless Headphones System are over-the-ear headphones in black color, featuring a wireless design for convenient use. These headphones are known for their brand quality and are designed for immersive audio experiences. However, it is important to note that this particular system requires new batteries to function properly. Perfect for those who appreciate high-quality sound and the freedom of wireless connectivity, these headphones offer a comfortable and enjoyable listening experience.