USB Charger Power Cable Cord For JBL Synchros E40BT E50BT J56BT S400BT Headphone | eBay
USB Charger Cable to 2.5mm Adapter For JBL Synchros E40BT E50BT S700 H – Magconn
Replacement USB Charging Cable for JBL Synchros E40BT/E50BT/J56BT Headphones 2.5mm – Ancable
Jbl Synchros E40bt/e50bt/j56bt Headphones Usb Charge & Audio Cable Replacement - Data Cables - AliExpress
Amazon.com: USB to 2.5mm,Ancable Replacement USB Charging Cable (3ft / 1m) for JBL E40BT E50BT J56BT Headphones (Black) : Electronics
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