About 5 years old with about 1-2 years of use. It's been in storage for the last 2 years so not sure how good the battery is but it seems to be ok (tested for about 10 minutes) but can also be used plugged in.
Item description: https://a.co/57PtUvJ
Bose SoundLink Color II (Green Lake/Roosevelt)
This offer has been gifted to someone and is no longer available.