Jbl Synchros E40bt/e50bt/j56bt Headphones Usb Charge & Audio Cable Replacement - Data Cables - AliExpress
2 pcs USB 2.5mm Charging Charger Cable For JBL Synchros E40BT E50BT Headphones | eBay
New USB Charger Power Cable Lead For JBL Synchros E40BT/E50BT Headphone J56BT | eBay
Amazon.com: SCOVEE USB to 2.5mm Male AUX Audio Jack Charging Cable for JBL Synchros S300 S300I S300a S400BT J56BT E40BT E30 E40 E50BT S500 S700 Headphones Stereo Power Wire for JBL Charger
How To Charge A JBL E40BT Head Phone - YouTube
Replacement USB Charging Cable for JBL Synchros E40BT/E50BT/J56BT Headphones 2.5mm – Ancable