Synchros E50BT | Bluetooth®, around-ear wireless headphones with ShareMe™ music
2.5mm Usb Charging Charger Cable For Jbl Synchros E40bt/e50bt Headphones J56bt - Ac/dc Adapters - AliExpress
1.2M 2.5mm to usb charging cable for jbl Bluetooth E40BT/E50BT/J56BT Headphones USB CHARGE - AliExpress
vhbw USB Jack Charging Cable for JBL Synchros E50BT, E50, E40BT, E40, J56, J56BT Headphones - USB to AUX Jack Plug - Revised Version: Amazon.de: Electronics & Photo