JBL Clip 4 Bluetooth speaker review: A new design and improved sound quality - CNET
JBL Clip 4 Review: Small but Powerful, It Lets Your Music Take Off | GearDiary
JBL Clip 4 - Portable Mini Bluetooth Speaker, Big Audio and Punchy bass, Integrated Carabiner, IP67 Waterproof and dustproof, 10 Hours of Playtime (Renewed)
JBL's latest affordable Bluetooth speakers are waterproof and charge via USB-C - The Verge