This Cable works for JBL Synchros S300 S300a S300I S400BT S500 S700 J56BT E30 E40 E40BT E50BT S400BT headphones
Color: black, Length: 3ft / 1Meter( approx)
Please Confirm It’s Audio 2.5mm Male Cable, not Audio 3.5mm.

Package includes:

1X  USB to 2.5mm Male AUX Audio Jack Charging Cable.