How to Pair JBL Flip 3 to Windows PC – Connect JBL Bluetooth Speaker Wirelessly - YouTube
JBL Flip 3 Troubleshooting - iFixit
JBL Flip 4, Black - Waterproof, Portable & Durable Bluetooth Speaker - Up to 12 Hours of Wireless Streaming - Includes Noise-Cancelling Speakerphone, Voice Assistant & JBL Connect+ : Electronics