All of my speakers startup and shutdown

Описание: this is be wave ht0050-sm vs sologic sl100 vs sl200 vs jbl go 1 vs go 3 vs go 4 vs fresh n rebel 1arb500 vs jbl clip 4 vs ryght toogo-s vs roseland rs600 vs r-music orla vs fresh n rebel 1arb400 vs ryght toogo-m vs (unknown brand) kts-1612 vs silvercrest with lantern vs ryght toogo-l vs roseland rs200 vs rs310 vs on-earz p350 vs pulsar boombox vs jbl partybox 110 startup and shutdown.

this is my collection of my speakers.

21 speakers in total.