Genuine, officially purchased Bose SoundTouch pedestal/412634-SM2, compatible with the Bose Wave Music System. It works without any problems. I was using it with the main unit. By installing the app on your smartphone, you can use your phone to control various functions, including power on/off, and use it as a high-quality smart speaker. There is no serial number, and returns are not accepted after purchase to prevent swapping. Please feel free to ask if you have any questions. The main unit in the photo is not included. I was using this with that model.