This white power supply is compatible with Bose Sounddock I and has been tested to be in good working condition. The model number is PSM36W-201 and it outputs a voltage of 18VDC. This item is perfect for anyone who needs a replacement or a spare power supply for their Bose Sounddock I. The brand is Bose, ensuring quality and reliability. The color of this power supply is white. It is a great addition to your collection of portable audio accessories. Buy with confidence and enjoy your music on-the-go!