ATech - JBL PartyBox 300 Portable Bluetooth party speaker with light effects JBL Signature Sound Enjoy an immersive audio experience at home or at a party that only JBL sound can provide.
Two JBL Partybox300 in TWS Mode - YouTube
JBL Partybox 300 im Test - connect
JBL PartyBox 300 | Tragbarer Bluetooth-Partylautsprecher mit Lichteffekten