JBL Flip 4 review: a waterproof wireless speaker with good features and decent sound – read the review at What Hi-Fi?
Sound quality isn’t flawless, but still a great little worker
JBL Flip 4 Waterproof Bluetooth speaker review - The Gadgeteer
JBL Flip 4 review: The versatile portable Bluetooth speaker
JBL Flip 4 vs Flip 3 Review - Major HiFi
JBL Flip 4 Review
JBL Flip 4 Review - The Pros & Cons of JBL's Flagship Speaker
JBL Flip 4 review: The versatile portable Bluetooth speaker
JBL Flip 4 review: Just buy it for the audio quality, the rest are just perks
JBL Flip 4 Review
JBL Flip 4 Waterproof Bluetooth speaker review - The Gadgeteer
JBL Flip 4 Review Don't Underestimate This Little Guy! — GYMCADDY
JBL Flip 4 review