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
Amazon.com: NEW NEOMUSICIA Replacement Cable Compatible with JBL Synchros S300 S300I S700 S500 S400BT J56BT E40BT E30 E40 S400BT E50BT Headphone, Remote Volume Mic Compatible with iPhone only : Electronics
Amazon.com: NEW NEOMUSICIA Replacement Cable Compatible with JBL Synchros S300 S300I S700 S500 S400BT J56BT E40BT E30 E40 S400BT E50BT Headphone, Remote Volume Mic Compatible with iPhone only : Electronics
Amazon.com: Audio Cable Replacement with in-Line Mic Remote Volume Control - Compatible with JBL Synchros S300 S300I S300a S500 S700 S400BT J56BT E40BT E30 E40 E50BT S400BT Headphone and Samsung Galaxy Android :
Replacement Repair Audio Cable For JBL Everest 300 E40BT E50BT E45BT E55BT JBL Synchros S300 S500 S700 Headphone Cable With Mic - AliExpress
Amazon.com: USB to 2.5MM Jack Cord Replacement USB Charging Power Supply Cable Compatible with JBL Synchros S300 S300I S300a S500 S700 S400BT J56BT E40BT E30 E40 E50BT S400BT Headphones (Black/60cm) : Electronics
Replace Audio Cable For JBL Synchros S500 S700 S300 S400BT Tour ONE | eBay
USB To 2.5mm Male Audio Jack Charging Cable Adapter Cord For JBL Synchros S300 | eBay
Replace Audio Cable For JBL Synchros S300 S500 S700 S400BT Tour ONE | eBay