This authentic Bose switching power supply cord adapter charger model PSM36W-208 is perfect for anyone in need of a reliable power source. The charger is compatible with a variety of devices, and its compact design makes it easy to take on the go. Designed with quality in mind, this power supply cord adapter is built to last. Its sleek black design and durable construction ensure that it looks great and functions flawlessly. Whether you need a replacement charger or just want to upgrade your current setup, this Bose power supply cord adapter is an excellent choice. Has small white marks on it as seen in pics.