vhbw USB Jack Charging Cable Compatible with JBL Synchros E50BT, E50, E40BT, E40, J56, J56BT Headphones - USB to AUX Jack Plug - Revised Version: Amazon.de: Electronics & Photo
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Amazon.com: Ancable USB to 2.5mm Male, Headphone Charger Cable for JBL Synchros E30 E40BT E45BT E50BT EB40 S400BT S400 S500 S700 J56BT Wireless Headphones Replacement Charging Cable : Electronics
Defean 90mm / 3.54 inch Earpads Cushion Replacement L R Ear Pads for JBL E50BT E50 BT S500 S700 Headphone - AliExpress
Synchros E50BT | Bluetooth®, around-ear wireless headphones with ShareMe™ music