Amazon.com: USB Charger Power Supply Charging Cable for JBL Synchros E40BT Headphone Headset : Electronics
Amazon.com: 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 :
Geekria QuickFit Audio Cable with Mic Compatible with JBL E40BT E45BT
USB Charger Cable for JBL E50BT Bluetooth Headphones | Fruugo US