2 pcs USB 2.5mm Charging Charger Cable For JBL Synchros E40BT E50BT Headphones | eBay
Jbl Synchros E40bt/e50bt/j56bt Headphones Usb Charge & Audio Cable Replacement - Data Cables - AliExpress
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
1.2M 2.5mm to usb charging cable for jbl Bluetooth E40BT/E50BT/J56BT Headphones USB CHARGE - AliExpress
JBL Synchros E50BT Bluetooth Headphone Review - Normal Consumer
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
User manual JBL E50BT (English - 22 pages)
2.5mm USB CHARGING Power CABLE For JBL Synchros E40BT/E50BT Headphones J56BT 2ft | eBay
USB Charger Cable to 2.5mm Adapter For JBL Synchros E40BT E50BT S700 H – Magconn