USB to 2.5mm Male AUX Audio Jack Charging Cable Adapter Cord for JBL Synchros S300 S300I S300a S400BT J56BT E40BT E30 E40 E50 - Walmart.com
USB to 2.5mm Male, Headphone Charger Cable for JBL Synchros E30 E40BT E45BT E50BT EB40 S400BT S400 S500 S700 - Walmart.com
2x 2.5mm USB CHARGING Power CABLE For JBL Synchros E40BT/E50BT Headphones J56BT | eBay
USB Charger Cable 2.5mm Adapter for JBL Synchros S700 S400BT E40BT E50BT J56BT | eBay
Amazon.com: BLUEXIN Replacement 2.5mm USB Charging Cord for JBL Synchros E40BT E50BT J56BT S400BT S700 Headphones and More : Electronics
USB to 2.5mm Male, Headphone Charger Cable for JBL Synchros E30 E40BT E45BT E50BT EB40 S400BT S400 S500 S700 - Walmart.com
2.5mm USB CHARGING Power CABLE For JBL Synchros E40BT/E50BT Headphones – Magconn
Yustda New USB Charging Cable PC Laptop Power Charger Cord Lead for JBL by Harman SYNCHROS E40BT Bluetooth Wireless On-Ear Headphones Headset - Walmart.com
USB Wall Charger Plug Cable 2.5mm Adapter For JBL Synchros E40BT E50BT Headphone » eSquareParts