I brought these last year but have upgraded to the bigger, louder and more expensive XB-40s so they just don't get used.  They key feature of these is that you can pair them with each other play the same music (party chain) or to play the left and right sound channel for better stereo separation.   Ideal for playing Dark Side of the Moon while drinking beer and eating burnt sausages at the batch.

They have flashing LED lights that pulse in time to the music if you want to have your own personal rave or if you are not into that sort of thing you can just turn it off.  Being Sony they support LDAC which means the best sound quality available if you have an Android device with Oreo.  They also support AAC if you are an Apple person.

I can't upload photos at work but they look like this:

https://www.sony.co.nz/electronics/wireless-speakers/srs-xb20

They are in as new condition except the blue one has a very small dent in the speaker grill.

They are on the big yellow auction site for $99 + shipping but happy to do them to a GZer for $85 + shipping.

Go on, buy yourself a Xmas present, you deserve it and my Surface Go fund needs your help.