![Replacement Cable Extension Cord For JBL Synchros S300 S300I S300a S400BT S500 S680 S700 E40BT E30 E40 E50BT E65BTNC Headphones _ - AliExpress Mobile Replacement Cable Extension Cord For JBL Synchros S300 S300I S300a S400BT S500 S680 S700 E40BT E30 E40 E50BT E65BTNC Headphones _ - AliExpress Mobile](https://ae01.alicdn.com/kf/S562124ca211047d9a7d00b638cded660A/Replacement-Cable-Extension-Cord-For-JBL-Synchros-S300-S300I-S300a-S400BT-S500-S680-S700-E40BT-E30.jpg)
Replacement Cable Extension Cord For JBL Synchros S300 S300I S300a S400BT S500 S680 S700 E40BT E30 E40 E50BT E65BTNC Headphones _ - AliExpress Mobile
![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: 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](https://m.media-amazon.com/images/I/51vWIANjZ1L._AC_UF1000,1000_QL80_.jpg)
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
![JBL Synchros S300 Premium On-Ear Headphones for iOS with built-in remote/Microphone - White/Blue Headphones & Accessories - Newegg.com JBL Synchros S300 Premium On-Ear Headphones for iOS with built-in remote/Microphone - White/Blue Headphones & Accessories - Newegg.com](https://c1.neweggimages.com/ProductImage/26-985-043-01.jpg)
JBL Synchros S300 Premium On-Ear Headphones for iOS with built-in remote/Microphone - White/Blue Headphones & Accessories - Newegg.com
![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 : 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 :](https://m.media-amazon.com/images/I/7138jp49XcL.jpg)