Best Buy: JBL Synchros S300 Oklahoma City Thunder On-Ear Headphones Multi SYNOE300OKC
Best Buy: JBL Synchros S300a On-Ear Headphones Black/Red SYNOE300ABNR
JBL Synchros S300A Premium On-Ear Headphones with Mic (White/Red)
Harman Kardon Esquire and JBL Synchros S300a - Gessato
JBL Synchros S300a Premium Headphones Works with Android & Apple~Rarely Used | eBay
JBL Synchros S300a Premium Headphones Works with Android & Apple~Rarely Used | eBay
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