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
HQRP 3.5mm to 2.5mm Audio Cable for JBL Synchros S400BT, Synchros E40BT Bluetooth Headphones Replacement + HQRP Coaster - Walmart.com