Replace Audio Cable For JBL Synchros S300 S500 S700 S400BT Tour ONE | eBay
User manual JBL Everest 300 (English - 27 pages)
JBL Synchros S300 Premium On-Ear Headphones for iOS with built-in remote/Microphone - White/Blue - Newegg.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 Cord