1Pc New USB Charger Power Cable Cord For JBL Synchros E40BT/E50BT Headphone J56BT Easy to Use Durable CE1789|Chargers| - AliExpress
Headphone Charger Cable, Ancable 6ft USB to 2.5mm Stereo Jack Male Charging Cable for JBL Synchros E30 E40BT E45BT E50BT EB40 S400BT S400 S500 S700 J56BT Bluetooth Headphones 2.5mm Male Cable : Electronics - Amazon.com