JBL Flip 4 Ocean Blue Open Box Bluetooth Speaker | eBay
JBL Flip 4 specifications
JBL Flip 5 vs JBL Flip 4 - YouTube
JBL Flip 4, Black - Waterproof, Portable & Durable Bluetooth Speaker - Up to 12 Hours of Wireless Streaming - Includes Noise-Cancelling Speakerphone, Voice Assistant & JBL Connect+
JBL Flip 4 review: A great, waterproof Bluetooth speaker | TechHive