OrangeYu 3000mAh Speaker Battery for JBL Flip Essential, Flip 3 Stealth Edition, Flip 3 SE - AliExpress
JBL S3-1024 specifications
JBL Flip3 | MALL.SK
JBL Flip Essential Bluetooth Speaker - Walmart.com
Amazon.com: JBL Clip 3, Blue - Waterproof, Durable & Portable Bluetooth Speaker - Up to 10 Hours of Play - Includes Noise-Cancelling Speakerphone & Wireless Streaming : Electronics
Review: JBL Flip3 and Xtreme aren't afraid of the water
JBL Flip 3 review: A top portable Bluetooth speaker for the money - CNET