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Amazon.com: 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
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Is anybody else having battery problem with their JBL Flip 4? Mine is a year old and can no longer hold a charge for more than 10 songs. I looked for a
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Reverse-engineering JBL flip 4 | Hackaday.io
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