Amazon.com: LinkIdea Audio Cable with Mic for JBL E55BT E50BT E45BT E40BT E35 E30 E65BTNC 650BTNC S700 Headphones, 2.5mm TRRS to TRS Replacement Aux Cord with Inline Microphone and Volume Control (5ft /
Replacement USB Charging Cable for JBL Synchros E40BT/E50BT/J56BT Headphones 2.5mm – Ancable
Jbl Synchros E40bt/e50bt/j56bt Headphones Usb Charge & Audio Cable Replacement - Data Cables - AliExpress
2.5mm Usb Charging Charger Cable For Jbl Synchros E40bt/e50bt Headphones J56bt - Ac/dc Adapters - AliExpress