Oct 19, 2019
Which SoundTouch do I have model number 355589-SM2
Thanks for reaching out via the Bose Community.
You can use this website to find information about your product. You will need to enter the serial number to locate the product. The serial is a 16-17 digit number found on the back of the speaker. It will start with a '0' and end with 'AE.'
Jeff G - Community Support.