1pc Genuine MOTHERBOARD FOR REPLACEMENT JBL Charge Essential Part | eBay
For Jbl Extreme3 Usb 2.0 Audio Jack Power Supply Board Connector For Jbl Extreme 3 Gg Tl Bluetooth Speaker Micro Usb Charge Port - Connectors - AliExpress
Khron's Cave: #48 JBL Charge 3 Bluetooth speaker teardown