JBL's PartyBoost is why I'll never buy another Bluetooth speaker - Android Authority
How do I pair JBL speakers with Connect+ or PartyBoost?
Amazon.com: JBL Flip 6 Portable Bluetooth Speaker, Powerful Sound and Deep Bass, IPX7 Waterproof, 12 Hours of Playtime, JBL PartyBoost, Black with Signature Series Shockproof EVA Hard Case (Black, Case Only) : Electronics
JBL's PartyBoost is why I'll never buy another Bluetooth speaker - Android Authority
JBL Flip 6 review: A great all 'rounder - SoundGuys